Astronomy
- Space
Exoplanet oxygen may not signal alien life
Oxygen in an exoplanet atmosphere may come from water and ultraviolet light, not alien life.
- Cosmology
Gravitational waves unmask universe just after Big Bang
For the first time, researchers have seen traces of superfast cosmic expansion and gravity waves.
- Astronomy
Mature galaxies found in young universe
Inactive galaxies the size of the Milky Way found dating to when the universe was just 1.5 billion years old.
- Astronomy
Behemoth star destroys potential solar systems
A massive star in the Orion Nebula is evaporating disks surrounding young stars in its neighborhood but some disks mysteriously manage to survive.
- Astronomy
Galaxy drags trail of stars behind it
A Hubble Space Telescope image shows the galaxy ESO 137-001 dragging star trails behind it as it plows through the Norma galaxy cluster.
- Planetary Science
Asteroid disintegrates while spinning too fast
Asteroid P/2013 R3 is shattering into a cloud of debris in these images captured by the Hubble Space Telescope.
- Astronomy
Comets collide around young star
Astronomers detect clouds of carbon monoxide around Beta Pictoris that could help lead to the discovery of new planets.
- Astronomy
Cosmic lens exposes spin of supermassive black hole
A chance alignment of a bright, distant galaxy behind a much closer one has given astronomers a rare opportunity to determine the spin of a supermassive black hole 6 billion light-years from Earth.
- Astronomy
Black holes may shut down stellar factories
Astronomers find dead galaxies loaded with the cold gas needed to make stars.
- Astronomy
NASA releases 2015 budget with some mission cuts
NASA $17.5 billion budget for fiscal year 2015 supports big missions, such as the James Webb Space Telescope. But there are plans to put the SOFIA telescope in storage.
- Astronomy
Exoplanet water seen in new light
Astronomers used a new technique to characterize the atmosphere of a gas giant exoplanet.
- Astronomy
Star cluster hurtles through space with tremendous speed
A compact ball of hundreds of thousands of stars has just shot out of the galaxy M87 at millions of kilometers per hour, astronomers report. It is the first hypervelocity globular cluster detected to date.
