K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know ...

The company’s ambitious new Sunbird design aims to harness nuclear fusion in space, despite the fact that commercializing ...

NASA's PUNCH sun-studying mission has seen first light — and the team says all four instruments are indeed working as ...

The Mono County District Attorney’s office announced the misdemeanor charges Thursday against the actor, who as a child ...

Lucy’s next stop — “the main event,” as Levison calls it — will be the Trojan asteroids that share Jupiter’s orbit around the ...