A blue Neptune-sized exoplanet around a red dwarf star 25 November 2015, 1:00 pm Astronomers have detected light scattered by tiny particles through the atmosphere of a Neptune-sized transiting exoplanet, which suggests a blue sky on this world that is only 100 light-years away.
The Demon Star shines bright tonight 24 November 2015, 1:00 pm The variable star Algol in Perseus makes a fine target tonight, as it increase more than one magnitude in brightness over the course of the evening. The cycle repeats nearly every 3 days.
Dark matter dominates in nearby dwarf galaxy 19 November 2015, 1:00 pm By measuring the mass of a nearby dwarf galaxy called Triangulum II, a researcher may have found the highest concentration of dark matter in any known galaxy.
Comet fragments best explanation of mysterious dimming star 25 November 2015, 2:41 pm Astronomers have responded to the buzz about a mysterious dimming star by studying data from NASA's Spitzer Space Telescope. They conclude the dimming was probably caused by a family of comets passing in front of the star.
Aging star's weight loss secret revealed 25 November 2015, 2:35 pm A team of astronomers has captured the most detailed images ever of the hypergiant star VY Canis Majoris. These observations show how the unexpectedly large size of the particles of dust surrounding the star enable it to lose an enormous amount of mass as it begins to die. This process, understood now for the first time, is necessary to prepare such gigantic stars to meet explosive demises as supernovae.
Mars once had a moderately dense atmosphere 24 November 2015, 11:02 pm Scientists suggest that 3.8 billion years ago, Mars might have had only a moderately dense atmosphere. The scientists have identified a photochemical process that could have helped such an early atmosphere evolve into the current thin one without creating the problem of 'missing' carbon and in a way that is consistent with existing carbon isotopic measurements.
Mars to lose its largest moon, Phobos, but gain a ring 24 November 2015, 8:35 pm Mars' largest moon -- one of only two in our solar system moving inward towards its planet -- will eventually be torn apart by tidal forces and distributed in a ring around the planet, a study of the cohesiveness of Phobos has concluded. This would take about 10-20 million years, and the ring will persist for up to 100 million years before the dust falls into Mars' atmosphere and burns up as 'moon' showers.
Gravity, who needs it? 18 November 2015, 9:54 pm What happens to your body in space? NASA's Human Research Program has been unfolding answers for over a decade. Space is a dangerous, unfriendly place. The risks for a Mars mission are many, but NASA has been working to solve these problems with some of the most brilliant minds in the field. Rest assured, when we take the next giant leap to Mars, we will be ready.