Astronomy & Space news

Scientists Find Black Hole's 'Point of No Return'

By a score of 135 to zero, scientists using NASA's Rossi X-ray Timing Explorer have compared suspected neutron stars and black holes and found that the black holes behaved as if each one has an event horizon, ...

Jan 09, 2006
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Future Space Telescopes Could Detect Earth Twin

For the first time ever, NASA researchers have successfully demonstrated in the laboratory that a space telescope rigged with special masks and mirrors could snap a photo of an Earth-like planet orbiting a ...

Apr 11, 2007
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Spinning Black Hole Pushes the Limit

The existence of black holes is perhaps the most fascinating prediction of Einstein's General Theory of Relativity. When any mass, such as a star, becomes more compact than a certain limit, its own gravity ...

Nov 20, 2006
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Habitable exoplanets are bad news for humanity

Last week, scientists announced the discovery of Kepler-186f, a planet 492 light years away in the Cygnus constellation. Kepler-186f is special because it marks the first planet almost exactly the same size as Earth ...

Apr 24, 2014
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The Universe trapped in its own web

Astronomers from the University of Nottingham, UK, and the Instituto de Astrofisica de Canarias (Spain), have found the first observational evidence that galaxies are not randomly oriented. Instead, they are ...

Apr 04, 2006
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Universe older than it looks

When astronomers (Bond 2013) first dated the star HD 140283, which lies a mere 190 lightyears from Earth in the constellation of Libra, they were puzzled. This rare, star appeared to be rather ancient and ...

Oct 27, 2014
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Gamma-Ray Burst Challenges Theory

In a series of landmark observations gathered over a period of four months, NASA's Swift satellite has challenged some of astronomers' fundamental ideas about gamma-ray bursts (GRBs), which are among the most ...

Mar 08, 2007
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Scientist eyes 39-day voyage to Mars

A journey from Earth to Mars could in the future take just 39 days -- cutting current travel time nearly six times -- according to a rocket scientist who has the ear of the US space agency.

Feb 26, 2010
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Countdown to Pluto

One of the fastest spacecraft ever built—NASA's New Horizons—is hurtling through the void at nearly one million miles per day. Launched in 2006, it has been in flight longer than some missions last, and ...

Jan 15, 2014
4.8 / 5 (65) 25 | with audio podcast