Related topics: nasa · mars

Possible venus twin discovered around dim star

Astronomers using NASA's Kepler space telescope have found a planet 219 light-years away that seems to be a close relative to Venus. This newly discovered world is only slightly larger than Earth, and orbits a low-temperature ...

Churchill's search for ET

War correspondent, statesman, astronomer. Stargazing may not be what Winston Churchill is best remembered for, but a treatise he wrote on extraterrestrial life has revealed his scientific acumen six decades later.

Proxima Centauri might be more sunlike than we thought

In August astronomers announced that the nearby star Proxima Centauri hosts an Earth-sized planet (called Proxima b) in its habitable zone. At first glance, Proxima Centauri seems nothing like our Sun. It's a small, cool, ...

Rocky planet found orbiting habitable zone of nearest star

An international team of astronomers including Carnegie's Paul Butler has found clear evidence of a planet orbiting Proxima Centauri, the closest star to our Solar System. The new world, designated Proxima b, orbits its cool ...

Are we alone? Setting some limits to our uniqueness

Are humans unique and alone in the vast universe? This question—summed up in the famous Drake equation—has for a half-century been one of the most intractable and uncertain in science.

Map of rocky exoplanet reveals a lava world

An international team of astronomers, led by the University of Cambridge, has obtained the most detailed 'fingerprint' of a rocky planet outside our solar system to date, and found a planet of two halves: one that is almost ...

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