Far beyond the eight familiar planets in our solar system, countless bizarre and extreme worlds await discovery — and some have already been found. Thanks to rapidly advancing telescope technology, ...

Astronomers discovered the TRAPPIST-1 system, a family of tightly packed planets swarming a red dwarf star, about eight years ago. Credit: Mark Garlick / Science Photo Library / Getty Images ...

Scientists have used data from NASA's retired planet-hunting space telescope 'Kepler' to discover that small and large worlds have very different upbringings. The team found that larger planets on non ...

If aliens are watching Earth, they might be able to detect us from the radio signals we beam to Mars to control our rovers there. Astronomers have now listened in on the nearby TRAPPIST-1 system to ...

Comets may have delivered the seeds of life to Earth, scientists say. They could also have delivered similar building blocks of life to other planets. A new study could help narrow down the search for ...

WASHINGTON, Dec 8 (Reuters) - One of the largest planets ever detected orbits at an enormous distance around two stars with a combined mass up to 10 times greater than our sun, an extreme celestial ...

"Even if it is a negative result, that still tells us something." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Late last year, astronomers ...

Life may not get blasted off any of the known "super-Earth" worlds as readily as it can from our planet, scientists find. The discovery suggests that any intelligent aliens that develop on such ...

Astronomers have made an extraordinary discovery—for the first time, scientists have directly observed two alien planets disintegrating before our eyes. These exoplanets, orbiting different stars, are ...

Do aliens sleep? You may take sleep for granted, but research suggests many planets that could evolve life don’t have a day and night cycle. It’s hard to imagine, but there are organisms living in ...

Dinosaurs may still exist, at least on other planets. According to a new study published in the Monthly Notices of the Royal Astronomical Society, some scientists believe that dinosaurs, or at least ...