Sagan's team created the greatest puzzle of all time, which you can only solve if your species understands the basic nature ...

A hummingbird shape in satellite data from NISAR is actually a mountaintop spotted in Antarctica.

The Nancy Grace Roman Space Telescope will be the first space telescope to use an “active coronagraph” to block out unwanted ...

For decades, humanity has listened to the cosmos, hoping that somewhere among the stars another civilization might be trying ...

Dr. Steven Greer accuses the Trump administration of withholding significant UFO evidence, alleging a deliberate slow release ...

Future spacecraft may travel farther by drawing momentum from planets, sunlight, and the solar wind instead of onboard fuel.

NASA is preparing for future astronaut landings on the Moon with an unusually ambitious orbital rehearsal. During Artemis III ...

Between January and May of this year, the CRASH Clock dropped from 3.8 days down to just 2.5 days, bringing us closer to the ...

SpaceX is set to launch the 13th test flight of its Starship megarocket — the most powerful launch vehicle ever made.

A massive public archive of declassified US government files vanished just one day after President Trump ordered the release of all UFO-related documents. The Black Vault, run by researcher and ...

Orienspace's Gravity-1, the world's most powerful solid rocket, aced its third-ever mission on Tuesday (July 21), launching ...

NASA's Artemis III mission is shaping up to be NASA's most complex mission in history, coordinating the launch and rendezvous ...