This artist's impression shows a view of the surface of the planet Proxima b orbiting the red dwarf star Proxima Centauri, the closest star to the Solar System. The double star Alpha Centauri AB also appears in the image to the upper-right of Proxima itself. Proxima b is a little more massive than the Earth and orbits in the habitable zone around Proxima Centauri, where the temperature is suitable for liquid water to exist on its surface.
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Scientists discover potentially habitable planets

Is there life beyond our solar system? If there is, our best bet for finding it may lie in three nearby, Earth-like exoplanets.

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UT study cracks coldest case: How the most famous human ancestor died

UT Austin professors John Kappelman and Richard Ketcham examine casts of Lucy while scanning the original fossil (background).Lucy, the most famous fossil of a human ancestor, probably died after falling from a tree, according to a study appearing in Nature led by researchers at The University of...

New fossils shed light on the origin of 'hobbits'

Dr. Adam Brumm from Griffith University's Centre For Human Evolution.Griffith University researchers are part of an international team of scientists that has announced the discovery of ancestors of Homo floresiensis - the enigmatic species of pygmy-like humans discovered more...

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Greenland sharks live for hundreds of years

Greenland sharks live for hundreds of years.While the more than 5 meter long Greenland shark is one of the world's largest sharks, it is also one of the least understood animals on our planet. The Greenland...

Scientists observe supermassive black hole feeding on cold gas

At the center of a galaxy cluster, 1 billion light years from Earth, a voracious, supermassive black hole is preparing for a chilly feast.

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Genetic analysis uncovers 4 species of giraffe, not just 1

This image shows an Angolan giraffe herd in Damaraland, NW Namibia.Up until now, scientists had only recognized a single species of giraffe made up of several subspecies. But, according to the most inclusive genetic analysis of giraffe relationships to date,...

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First atmospheric study of Earth-sized exoplanets reveals rocky worlds

Artist's view of planets transiting a red dwarf star in the TRAPPIST-1 system.On May 2, scientists from MIT, the University of Liège, and elsewhere announced they had discovered a planetary system, a mere 40 light years from Earth, that hosts three potentially...

LISA Pathfinder mission paves way for space-based detection of gravitational waves

An artist's rendering of LISA Pathfinder on its way to Earth-sun L1.LISA Pathfinder, a mission led by the European Space Agency (ESA) with contributions from NASA, has successfully tested a key technology needed to build a space-based observatory for detecting gravitational...

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Scientists develop human embryos through early post-implantation stages for first time

A new technique that allows embryos to develop in vitro beyond the implantation stage (when the embryo would normally implant into the womb) has been developed by scientists at the...

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SwRI-led study shows puzzling paucity of large craters on dwarf planet Ceres

A team of scientists led by Southwest Research Institute (SwRI) made a puzzling observation while studying the size and distribution of craters on the dwarf planet Ceres.

Using gravitational waves to catch runaway black holes

Researchers have developed a new method for detecting and measuring one of the most powerful, and most mysterious, events in the Universe - a black hole being kicked out of its host galaxy and into intergalactic space at speeds as...

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Scientists observe first signs of healing in the Antarctic ozone layer

Scientists at MIT and elsewhere have identified the "first fingerprints of healing" of the Antarctic ozone layer, published today in the journal Science.

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More than 1,200 new planets confirmed using new technique for verifying Kepler data

Scientists from Princeton University and NASA have confirmed that 1,284 objects observed outside Earth's solar system by NASA's Kepler spacecraft are indeed planets. Reported in The Astrophysical Journal on May...

New horned dinosaur had spikes at back of neck shield

Holotype cranial Material and Cranial Reconstruction of <i>Machairoceratops cronusi</i> (UMNH VP 20550) gen. et sp. nov.

<p>Recovered cranial elements of <i>Machairoceratops</i> in right-lateral view, shown overlain on a ghosted cranial reconstruction (A). The jugal, squamosal and braincase are all photo-reversed for reconstruction purposes. <i>Machairoceratops</i> cranial reconstruction in dorsal (B), and right-lateral (C) views. Green circle overlain on the ventral apex of the jugal highlights the size of the epijugal contact scar (ejcs). 

<p>Abbreviations: BC, braincase; boc, basioccipital; bpt, basipterygoid process; ej, epijugal; ejcs, epijugal contact scar; j, jugal; lpr, lateral parietal ramus; lsb, laterosphenoid buttress; m, maxilla; n, nasal; o, orbit, oc, occipital condyle;oh, orbital horn; on, otic notch; p, parietal; pf, parietal fenestra; pm, premaxilla; po, postorbital; poc, paroccipital process; p1, epiparietal locus p1; sq, squamosal. 

<p>Scale bars = 0.5 m.A new horned dinosaur discovered in Utah had two spikes projecting from the back of its neck shield, according to a study published May 18, 2016 in the open-access journal...

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Newly discovered planet has 3 suns

<p>This artist's impression shows a view of the triple star system HD 131399 from close to the giant planet orbiting in the system. The planet is known as HD 131399Ab and appears at the lower-left of the picture.

<p>Located about 340 light years from Earth in the constellation of Centaurus (The Centaur), HD 131399Ab is about 16 million years old, making it also one of the youngest exoplanets discovered to date, and one of very few directly imaged planets. With a temperature of around 580 degrees Celsius and having an estimated mass of four Jupiter masses, it is also one of the coldest and least massive directly imaged exoplanets.If you thought Luke Skywalker's home planet, Tatooine, was a strange world with its two suns in the sky, imagine this: a planet where you'd either experience constant daylight or...

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Apollo astronauts experiencing higher rates of cardiovascular-related deaths

Members of the successful Apollo space program are experiencing higher rates of cardiovascular problems that are thought to be caused by their exposure to deep space radiation, according to a...

The long hunted sterile neutrino cannot be traced

The IceCube result excludes a sterile neutrino with a mass difference (&Delta;m^2) and oscillation with the conventional neutrinos (&theta;_{24}) values to the right of the red line. The IceCube exclusion rules outs the allowed region from other experiments which have 'hints' of a sterile neutrino; shown as the blue regions.Some of the most abundant particles in the universe are the so-called ghost particles, neutrinos, which travel through virtually anything on their journey through the universe. Researchers have identified three...

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Milky Way now hidden from one-third of humanity

Light pollution now blots out the Milky Way for eight in 10 Americans. Bright areas in this map show where the sky glow from artificial lighting blots out the stars and constellations. An international team of researchers has released the new World Atlas of Artificial Sky Brightness, in a paper published in <i>Science Advances</i> today.The Milky Way, the brilliant river of stars that has dominated the night sky and human imaginations since time immemorial, is but a faded memory to one third of humanity...

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Nottingham Dollies prove cloned sheep can live long and healthy lives

Three weeks after the scientific world marked the 20th anniversary of the birth of Dolly the sheep new research, published by The University of Nottingham, in the academic journal Nature...

Neural stem cells in adult mice also vulnerable to Zika

This visual abstract shows the findings of Li et al., that peripheral ZIKV exposure in a mouse model can infect adult neural stem cells in the brain, leading to cell death and reduced proliferation. Thus, in addition to impacting fetal development, ZIKV infection may also have negative effects on the adult brain.Zika infection kills off neural stem cells in adult mice bred to be vulnerable to the virus, researchers at the Rockefeller University and the La Jolla Institute for Allergy and...

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Smallest hard disk to date writes information atom by atom

Explanation of the bit logic and the atomic markers on the 1 kbyte atomic memory.Every day, modern society creates more than a billion gigabytes of new data. To store all this data, it is increasingly important that each single bit occupies as little space...

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