When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Asteroids have long been regarded as planetary building blocks. But they may actually be ...

A newfound exoplanet may be one of the best bets to host alien life ever discovered—and it's right in Earth's backyard, cosmically speaking. Astronomers have spotted a roughly Earth-mass world ...

The study of alien worlds is entering its next phase as astronomers amass the best planets outside our Solar System to look for signs of life. A newly discovered “super-Earth” orbiting in the ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. A team of astronomers used data from the Transiting Exoplanet Survey ...

NASA held a press conference today about early scientific results from the Kepler space telescope, a mission designed to detect Earthlike planets orbiting distant stars. Kepler has not yet detected ...

Jupiter's largest moons don't go completely dark when the giant planet blocks their sunlight, astronomers have found. The discovery could reveal more about Jupiter's mysterious upper atmosphere, which ...

It's always been a challenge for astronomers to record the mass of a star directly, but a new study suggests a novel way to try it as long as the planets (and moons) align. The new star-measuring ...

It hasn't been smooth sailing for Pluto as the smallest, farthest, and most freezing dwarf planet in the entire solar system. Not only was Pluto kicked out of the official list of planets in the solar ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Beyond our solar system, there’s a whole selection of planets ...

Another really weird planet orbiting another star has been found, and it’s a world of extremes: The orbital period—its year—is only 8½ hours long, and it’s so hot it must have a molten surface of ...