exoplanets
Latest about exoplanets
'Pi planet' alien world takes 3.14 days to orbit its star
By Mike Wall published
Scientists have found an alien world that orbits its host star every 3.14 Earth days, a close approximation of the famous mathematical constant pi.
Thousands of Earthlike 'blanets' might circle the Milky Way's central black hole
By Rafi Letzter published
Tens of thousands of planets like Earth and Neptune might orbit the giant black hole at the center of the Milky Way.
Multiplanet system around sunlike star photographed for 1st time ever
By Mike Wall published
For the first time ever, astronomers have directly imaged multiple planets orbiting a sunlike star.
Baby exoplanet spotted growing around distant star (photo)
By Mike Wall published
New imagery pinpoints the spot where a baby planet is forming around the young star AB Aurigae, which lies 520 light-years from Earth.
This bacteria can survive on pure hydrogen. Could alien life do the same?
By Diane Lincoln published
Could aliens that breathe helium and hydrogen live on exoplanets throughout the cosmos?
Scientists spot super-Earth planet in Earth-like orbit
By Meghan Bartels published
Scientists suspect they have identified an intriguing new alien planet in a particularly roundabout way.
Heavy-metal alien planet may be shaped like a football
By Charles Q. Choi published
An exoplanet may be shaped like an American football due to the mighty gravitational forces it experiences close to its star, a new study finds.
How big can a planet get?
By Natalie Hinkel published
Why isn't there an endless variety of planets in the universe? An astrophysicist explains why planets only come in two flavors.
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