Astronomy & Space news

The microscopic hitchhikers' guide to the Galaxy

As the Earth roams through the Milky Way like a spaceship, shelly inhabitants of the sea act as natural sensors that record the ever-changing cosmic environment over many millions of years. New research done ...

Nov 14, 2006
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Voyager at 30: Looking Beyond and Within

A mission that was supposed to last just five years is celebrating its 30th anniversary this fall. Scientists continue to receive data from the Voyager 1 and 2 spacecraft as they approach interstellar space.

Sep 05, 2007
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Simulations reveal an unusual death for ancient stars

(Phys.org) —Certain primordial stars—those 55,000 and 56,000 times the mass of our Sun, or solar masses—may have died unusually. In death, these objects—among the Universe's first-generation of stars—would ...

Sep 29, 2014
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Intergalactic 'shot in the dark' shocks astronomers

A team of astronomers has discovered a cosmic explosion that seems to have come from the middle of nowhere — thousands of light-years from the nearest galaxy-sized collection of stars, gas, and dust. This ...

Dec 18, 2007
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Could hadron collider devour the Earth?

Particle colliders creating black holes that could devour the Earth. Sounds like a great Hollywood script. But, according to UC Santa Barbara Physics Professor Steve Giddings, it's pure fiction.

Jun 28, 2008
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A trio of super-Earths

Today, at an international conference, a team of European astronomers announced a remarkable breakthrough in the field of extra-solar planets. Using the HARPS instrument at the ESO La Silla Observatory, they ...

Jun 16, 2008
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Voyager 1 may have left the solar system

While there's no official word from NASA on this, the buzz around the blogosphere is that Voyager 1 has left the Solar System. The evidence comes from this graph, above, which shows the number of particles, ...

Oct 09, 2012
4.9 / 5 (40) 19 | with audio podcast