Before and after: Unique changes spotted on comet 67p/Churyumov-Gerasimenko
Rosetta spacecraft documented growing fractures, collapsing cliffs and rolling boulders on the comet's surface.
Posted: Mar 22nd, 2017
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Does the universe have a rest frame?
Experiment aims at resolving divergence between special relativity and standard model of cosmology.
Posted: Mar 21st, 2017
Read moreSwift mission maps a star's 'death spiral' into a black hole (w/video)
Some 290 million years ago, a star much like the sun wandered too close to the central black hole of its galaxy. Intense tides tore the star apart, which produced an eruption of optical, ultraviolet and X-ray light that first reached Earth in 2014.
Posted: Mar 21st, 2017
Read moreDoes Mars have rings? Not right now, but maybe one day
Scientists have developed a model that suggests that debris that was pushed into space from an asteroid or other body slamming into Mars around 4.3 billion years ago and alternates between becoming a planetary ring and clumping up to form a moon.
Posted: Mar 21st, 2017
Read moreAstronomers to peer into a black hole for first time with new Event Horizon Telescope
On April 5-14 2017, the team behind the Event Horizon Telescope hopes to test the fundamental theories of black-hole physics by attempting to take the first ever image of a black hole's event horizon (the point at which theory predicts nothing can escape).
Posted: Mar 20th, 2017
Read moreLess dark matter in distant galaxies?
Milky Way systems in the early universe consist mainly of gas and stars.
Posted: Mar 16th, 2017
Read moreThe rotation axes of stars tell us about how they were born
Using asteroseismology, an international research team discovered a surprising alignment of the rotation axes of stars in open clusters, shedding light on the conditions in which stars are formed in our galaxy.
Posted: Mar 16th, 2017
Read moreRelativistic electrons uncovered with Van Allen Probes (w/video)
New observations from NASA's Van Allen Probes mission show that the fastest, most energetic electrons in the inner radiation belt are not present as much of the time as previously thought.
Posted: Mar 15th, 2017
Read moreScientists identify a black hole choking on stardust
Data suggest black holes swallow stellar debris in bursts.
Posted: Mar 15th, 2017
Read moreStar in closest orbit ever seen around black hole
Astronomers have found evidence of a star that whips around a likely black hole twice an hour. This could be the tightest orbital dance ever seen by a black hole and a companion star in our own Milky Way galaxy.
Posted: Mar 13th, 2017
Read moreHubble hones in on a hypergiant's home
A beautiful Hubble image reveals a young super star cluster known as Westerlund 1, only 15,000 light-years away in our Milky Way neighborhood, yet home to one of the largest stars ever discovered.
Posted: Mar 10th, 2017
Read moreIota Orionis: Pulsating beacon of a constellation
Using the world's smallest astronomical satellites, researchers detect the biggest stellar heartbeat ever.
Posted: Mar 8th, 2017
Read moreResearch uncovers potential health risks of travel to Mars
Researchers are using human stem cells to measure the effects of deep space radiation.
Posted: Mar 8th, 2017
Read moreCosmic environments and their influence in star formation
Astronomers have performed an extensive study of the properties of galaxies within filaments formed at different times during the age of the universe.
Posted: Mar 6th, 2017
Read moreVolcanic hydrogen spurs chances of finding exoplanet life
Astronomers report that hydrogen pouring from volcanic sources on planets throughout the universe could improve the chances of locating life in the cosmos.
Posted: Mar 3rd, 2017
Read moreIs anything tough enough to survive on Mars?
Scientists recently took a step toward answering a question for the ages: Is there life on Mars? Answer: they can't rule it out.
Posted: Mar 2nd, 2017
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