The space-based observatory will scan the cosmos in 102 colors we can't see to unlock the secret history of the universe.

Pointed away from Earth about 404 miles overhead, the orbital observatory will circle the planet from north to south about 14 ...

A team of astronomers claims to have sniffed out a “biosignature” in the atmosphere of a distant planet called K2-18b. But ...

If the object really is Planet Nine, it would be larger than Neptune and exist 700 times further from the sun than Earth.

Astronomers using the James Webb Space Telescope have directly detected the faint glow of a planet that’s colder than any ...

Marine plastic pollution is a global crisis, with 9 to 14 million metric tons of plastic entering the ocean every year. Tiny ...

"It's like trying to spot a fish by looking for ripples in a pond, rather than trying to see the fish itself." ...