Think of it this way: only around 10,000 decently sized meteorites slam into Earth per year. Meanwhile, the planet is ...

In astrology, this planet symbolizes cycles of death and rebirth and the realm of the underworld. It casts a psychological ...

Analysis by researchers at the University of Bern suggests that water and other volatile compounds arrived on Earth from outer space—specifically via a collision with a Mars-sized planet billions of ...

A team of astronomers have detected what they call the most promising signs to date of a possible biosignature, or signs of past or present life linked to biological activity, on an exoplanet named K2 ...

Astronomers have found the clearest evidence yet that life might exist beyond the solar system, from the atmosphere of a planet 124 light years away from Earth, setting off rare excitement – tinged ...

Planets that orbit white dwarf stars should be too hot to host alien life, theories suggest. But a new study accounting for Einstein's general relativity may rewrite that rule.

The odds for life existing on other planets has just skyrocketed after a NASA rover unearthed new evidence on Mars. The odds ...

R. Hurt (Caltech/IPAC) Just 4.3 light years from Earth lies a star called Alpha Centauri A, which is famous for being the nearest star that resembles our own Sun. In the popular Avatar movies, this ...