Astronomy & Space news

New study favors cold, icy early Mars

The high seas of Mars may never have existed, according to a new study that looks at two opposite climate scenarios of early Mars and suggests that a cold and icy planet billions of years ago better explains ...

dateJun 15, 2015 in Space Exploration
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What is Halley's Comet?

Halley's Comet, also known as 1P/Halley, is the most well known comet in the Solar System. As a periodic (or short-term comet) it has orbital period that is less than 200 years, and has therefore been observed ...

dateJun 15, 2015 in Space Exploration
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Image: Hubble captures galaxy PGC 18431

There are many galaxies in the universe and although there is plenty of room, they tend to stick together. The Milky Way, for example, is part of a large gathering of more than fifty galaxies known as the ...

dateJun 15, 2015 in Astronomy
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Cosmic ray observatory to expand

Physicists plan a $6.4 million expansion of the $25 million Telescope Array observatory in Utah so they can zero in on a "hotspot" that seems to be a source of the most powerful particles in the universe: ...

dateJun 15, 2015 in Astronomy
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