And with experts admitting that it is highly unlikely that our planet is the only one bearing intelligent life forms, the ...

The recent and much-ballyhooed "planetary parade" was an interesting celestial event that likely spurred even infrequent skywatchers to seek out the seven planets stretched out across the sky.

It Took Scientists 11 Years, But They've Finally Figured Out How Long a Day on Uranus Is The duration of the day impacts many ...

Planets are eaten by dying stars as they turn into red giants and expand. Earth will be eaten by the sun in billions of years ...

LIFE, the Large Interferometer For Exoplanets, is a proposal for an ambitious new mission designed to reveal how many Earth-like planets out there are inhabited by some form of life. Here's the plan.

The instrument seeks out planets by detecting the subtle wobble of stars as the gravity of orbiting planets tug on their stellar hosts, known as the radial velocity technique. Using MAROON-X ...

If two planets get too close to each other, the interaction can cause one (usually the less massive of the two) to gain a lot of orbital energy, causing it to be flung out of the system.

They are likely rocky planets, rather than gas. Since they are so close to Barnard's Star, they are likely too hot to sustain life. The researchers ruled out the existence of other planets within ...

The teams looked for longer-period planets, further out in the star's habitable zone, but didn't find any. We don't know much else about the new planets, such as their estimated sizes. The best ...