Coronagraphs are telescopes equipped with an occulting disk to block out the overwhelming radiation emanated from the visible surface of the Sun, along with optical stops and filters that are ...

NASA has been forced to delay its historic mission that would send astronauts to the Moon for the first time since 1972. This ...

Artemis 2 will use the SLS to send a crew of four aboard an Orion spacecraft on a 10-day mission looping within 4,600 miles (7,400 km) of the Moon. The crew consists of Commander Reid Wiseman, Pilot ...

The earliest possible launch date for the Artemis II rocket to carry Canadian astronaut Jeremy Hansen around the moon is scheduled for Feb. 8.

NASA's Artemis II is poised for the first lunar mission since 1972—with much more to come.

SpaceX has moved to absorb Elon Musk’s artificial intelligence start-up xAI, bringing the smaller company and its Grok ...

Ad astra per aspera” is an ancient Latin phrase meaning “to the stars through hardships.” Forty years ago, the harrowing hardships of questing for the stars were seen in cold Florida skies when the ...

Low-Earth orbit is more crowded—and fragile—than it looks. Satellites constantly weave past each other, burning fuel and ...

If the building-size asteroid 2024 YR4 crashes into the moon in December 2032, the impact will produce a bright flash that ...

Several robotic spacecraft orbiting the Moon can take detailed pictures of its surface, so why send people around the Moon? A ...