Astronomy
- Astronomy
Finding a nearby star
Astronomers have discovered a star that may be among the very closest known to us.
- Astronomy
Satellite begins its ultraviolet survey
NASA last month released the first images taken by the recently launched Galaxy Evolution Explorer satellite.
- Astronomy
Red Team, Blue Team: Galaxy survey shows that color matters
Using the largest survey of galaxies ever compiled, astronomers have found that the cosmos divides sharply along color lines.
- Astronomy
Gorgeous Gas
Beyond their undeniable beauty, images of nearby, starlit clouds of gas and dust, known as HeII nebulae, may reveal properties of the very first stars in the universe.
- Astronomy
A black hole that goes the distance
Astronomers have measured the mass of the most distant black hole known.
- Astronomy
Supernovas, gamma-ray bursts: Two of a kind?
Astronomers have uncovered direct evidence that gamma-ray bursts are linked to supernovas.
- Astronomy
Starry View: Image reveals galaxy’s violent past
The most detailed visible-light picture ever taken of the heavens reveals that the nearby Andromeda galaxy has had a much more violent history than our own Milky Way has.
- Astronomy
Fast-track planet
Astronomers have found a planet that's the closest yet known to its parent star, whipping around the star every 28.5 hours.
- Astronomy
Chemistry of the Cosmos: Quasars illuminate the young universe
Measuring the composition of some of the earliest structures in the universe, two teams of astronomers have unveiled new findings about star formation in the young cosmos.
- Astronomy
Telescope takes close-ups of distant star
Radio astronomers have for the first time probed ejected gas in the immediate surroundings of a distant star.
- Astronomy
Young pulsar has a split personality
A new pulsar, the youngest discovered to date, unexpectedly exhibits properties of both regular pulsars and a recently explored class of supermagnetic pulsars, the magnetars.
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