This Just In
We're having a hard time finding extraterrestrial life. Does this mean we're the only ones? Or does it mean that all the aliens are dead?
Are there Earth-like planets in a neighboring star system?
If habitable planets can form in globular clusters and survive for billions of years, life would have time to become complex.
For the first time, astronomers have found compelling evidence that the dust-free gaps surrounding young stars are caused by massive exoplanets.
How low can you go? Astronomers have found a star with an incredibly low concentration of heavy elements that still has a sizable planet around it — the most metal-poor star ever discovered with an orbiting, rocky planet.
A little statistics knowledge suggests we may be way underestimating a typical alien's stature.
Say if Mars had intelligent beings able to talk to us at the same time as we talked to them -- how would that have changed our history?
After Cassini's 'deep-dive' into Enceladus' watery plumes, evidence mounts for life-friendly environments inside the Saturn moon's ocean.
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