If you've been following exoplanet research over the last couple of years, you've definitely heard of K2-18b. Located 124 ...

Firefly Aerospace is set to return its Alpha rocket to flight on the “Stairway To Seven” mission on Friday, Feb. 27. Liftoff ...

Six planets are linking up in the sky at the end of February, and most will be visible to the naked eye. Related Articles. SpaceX fleet-l ...

A viral Obama podcast answer about aliens prompted Trump to accuse him of revealing secrets and promise to release UFO files ...

"He gave classified information, he's not supposed to be doing that," Trump told reporters Feb. 19 in discussing Obama's comments on aliens.

Launching atop a Falcon 9 from Florida, Crew-12 is carried four new NASA, ESA, and Roscosmos crew members to the orbiting laboratory for an eight-month mission as part of Expedition 74/75. Liftoff ...

The delay was caused by a hydrogen leak discovered during a key fueling test known as a wet dress rehearsal. The mission will send a crew of four astronauts, including three Americans and one Canadian ...

Cyclone Global Navigation Satellite System (CYGNSS) measures wind speeds over Earth's oceans with seven microsatellites. Credit: NASA Langley video capture SAN FRANCISCO – NASA’s Earth Science ...

The race to compile a sort of catalogue of the planets orbiting distant Suns is intensifying, with the upcoming Nancy Grace Roman Space Telescope, for instance, set to spot tens of thousands of such ...

NASA’s Artemis II rocket has reached its launch pad after a painstaking overnight crawl across Kennedy Space Center. Engineers are now preparing for crucial fueling and countdown tests ahead of the ...

Four astronauts left the International Space Station on Wednesday evening, weeks earlier than planned, in a first-of-its-kind departure due to a medical issue. Their journey back to Earth is expected ...

NASA has formally concluded that 3I/ATLAS, the third confirmed interstellar object ever detected passing through the solar system, is a naturally occurring comet, bringing months of speculation about ...