The Giant Magellan Telescope project just cast its seventh and final primary mirror segment, a huge milestone that keeps the scope on target to begin operations in the late 2020s.

On Sept. 27, 1997, NASA's Mars Pathfinder mission beamed its very last data transmission back to Earth. The Mars Pathfinder mission consisted of a base station and the very first Mars rover named Sojourner.

The Artemis 2 moon rocket's core stage now has all four of its RS-25 engines mounted in place. It's a big milestone for the mission as it sails toward a launch in late 2024.

Self-sustaining chemical reactions that could support biology radically different from life as we know it might exist on many different planets, a new study finds.

A European collaboration aims to break through some of the technological barriers to the exploration of icy moons like Jupiter's Europa, using Antarctica as a proving ground.

NASA has named a new director of UFO research who will oversee the agency's studies into UAP, or unidentified anomalous phenomena.

Deals Here are the best Orion telescope and binoculars deals on the market, as lots of top stargazing kit is now discounted.

During the annular solar eclipse on Oct. 14, 2023, several iconic destinations including all Navajo Tribal Parks, will be closed due to cultural beliefs.

A single shot shows a Super Full “Blue” Moon which don’t have nothing of blue, rising above Monsaraz castle at Dark Sky® Alqueva, in Portugal.

The seventh episode of Ahsoka sets up a race against time for the season finale and mostly plays out like a classic Star Wars Rebels episode.

20th Century Studios releases the final trailer for director Gareth Edwards' sci-fi epic 'The Creator.'