Space
- Planetary Science
A Martian haven for life?
Images taken by two Mars spacecraft suggest that a volcano on the Red Planet erupted long ago at the confluence of two riverbeds, indicating that the region had two of the prequisites for life: heat and water.
- Astronomy
Dark Influence
A study of galaxy clusters tests whether dark matter particles can collide with each other, while other observations show that dark matter doesn't behave as expected near the centers of galaxies.
- Astronomy
Cosmic Primitive: Old star sheds light on early stellar formation
Astronomers have found one of the most chemically primitive stars known, dating to just a few hundred million years after the Big Bang.
- Planetary Science
A moon with atmosphere
Magnetic measurements by the Cassini spacecraft have revealed that Saturn's moon Enceladus has a tenuous atmosphere containing water vapor.
- Astronomy
Stellar Question: Extrasolar planet or failed star?
A tiny dot of light next to a young, sunlike star might be the long-sought image of an extrasolar planet.
- Astronomy
Moon story waxes fuller
A new analysis may have put the final piece in the puzzle of how the Moon formed.
- Planetary Science
Dusty rejuvenation
The Mars rover Spirit recently had its dirty solar arrays cleaned off, possibly by a dust devil, allowing the craft to generate nearly as much energy as it did when it first landed on the Red Planet in January 2004.
- Astronomy
Star Packed: Super cluster is first to be detected in Milky Way
Astronomers have detected the most massive and densest cluster of young stars ever detected in the Milky Way, a finding that could shed light on how stars formed in the early universe.
- Planetary Science
Assault on Mars
A Mars rover has discovered a patch of soil that's the saltiest place known on the Red Planet, an indication that water once coursed through the region.
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- Astronomy
Worlds of Astronomy
British astronomer and writer David Darling has created an impressive, online encyclopedia devoted to topics in astronomy, astrobiology, spaceflight, space physics, and much more. From the Abell cluster to the Zwicky Catalogue, the site provides clear, straightforward explanations of a variety of concepts, along with brief biographies and much other material, including relevant images. Go […]
- Astronomy
Alien Light: Extrasolar planets are detected in new way
Two teams of scientists report that they have for the first time directly detected the glow of planets that circle sunlike stars hundreds of light-years from Earth.
