Relatedly, astronomers may have just pushed the upper size limit of what counts as a planet.

The planet is one of the best worlds for follow-up studies to determine whether it could be habitable or not.

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. An artist's concept showing ...

The James Webb Space Telescope has detected clouds made of silicates, similar to sand here on Earth, as well as water, methane and carbon monoxide on exoplanet VHS 1256 b. The exoplanet is more ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. This artist’s concept depicts one possible appearance of the planet Kepler-452b, the first ...

It's one of the biggest unanswered questions in science: are there aliens out there, and if so, where are they hiding? Now, a ...

How many planets outside our solar system, known as exoplanets, exist throughout the Milky Way Galaxy? While that might never be determined, NASA recently announced the total number of confirmed ...

Astronomers have discovered 41 new alien planets in one sweep by analyzing how each world gravitationally yanks on its neighbors. The newly confirmed exoplanets were spotted by NASA's prolific Kepler ...

A sizzling exoplanet caught by the James Webb Space Telescope is shedding its atmosphere and leaving behind two gigantic helium tails.

CNN — As humans, we're motivated by curiosity and a desire to know more. While our solar system is about 4.5 billion years old, modern humans have only been around for about 200,000 years. And ...

The James Webb Space Telescope is great to understand the atmosphere of these exoplanets, but what really kept us going from zero to 5,300—where we are now in terms of how many exoplanets have been ...