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Alien Life & Exoplanets

This Just In
Jun 25, 2015 05:47 PM ET // Irene Klotz
A planet about the size of Neptune but situated 33 times closer to its parent star than Earth orbits the sun is losing its atmosphere, forming a fat, comet-like tail in the process.
Jun 25, 2015 01:09 PM ET // Ian O'Neill
Astronomers may have discovered an exoplanet that has found the elixir to planetary youth, knocking billions of years off its age.
Jun 22, 2015 01:33 PM ET // Elizabeth Howell
Europa is an ice-covered moon orbiting Jupiter that likely an ocean underneath. Perhaps that ocean contains life. Perhaps it doesn't. But we're not going to know for sure until we send a probe there to check things out.
Jun 17, 2015 07:00 AM ET // Charles Q. Choi, SPACE.com
Methane, a potential sign of primitive life, has been found in meteorites from Mars, adding weight to the idea that life could live off methane on the Red Planet.
Jun 15, 2015 07:03 PM ET // Ian O'Neill
Many thunderstorms in Saturn's atmosphere could be driving the gas giant's vast polar cyclones, according to new simulations inspired by observations from NASA's Cassini spacecraft.
Jun 11, 2015 02:10 PM ET // Ian O'Neill
Although our solar system doesn't contain gas giants with thick atmospheres enriched with helium, observations by NASA's Spitzer Space Telescope suggests the galaxy may be strewn with these planetary oddities.
Jun 4, 2015 03:00 PM ET // Elizabeth Howell, Space.com
Outer space might be the toughest environment for life, but some hardy microbes have been able to survive in it for surprising amounts of time.
May 26, 2015 05:10 PM ET // Irene Klotz
NASA on Tuesday selected nine science instruments it believes will best address the burning question about whether Jupiter’s ocean-bearing moon Europa has indications of life.
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