A NASA planetary defense officer warns thousands of near-Earth asteroids capable of destroying a city remain undetected.

"We don’t know where they are,” said NASA’s planetary defense officer Kelly Fast at the AAAS conference in Arizona this week.

The NASA/SpaceX Crew-12 mission launched four astronauts on a journey to the International Space Station.

In a recent interview, NASA’s Acting Planetary Defense Officer Dr Kelly Fast told The Times that space agencies have no current way to stop an asteroid should it pose an imminent threat to Earth. Her ...

Learn about a global citizen science project that crowdsources real-time aurora sightings.

A parade of six planets will be visible in Michigan night skies. What to know about the alignment.

In late winter, the zodiacal light is visible in the evening in the Northern Hemisphere (false dusk) and in the pre-dawn morning in the Southern Hemisphere (false dawn). In early autumn, the timing ...

The stars may not align, but the planets will. Stargazers are in for a treat later this month when six planets form a line during a rare event scientists are dubbing a “planetary parade.” The ...

Aurorasaurus has grown into a vibrant community of observers who help scientists track everything from sudden storms to rare colors. Some of the project’s most remarkable discoveries began with ...

Plus NOAA's GOES-19 satellite spies the lunar disk crossing the face of our parent star.