Astronomers discover 1st green star in space as white dwarfs break color rules

Astronomers found that white dwarf stars can display surprising colors because of their dense, chemically diverse atmospheres, including the first known genuinely green star.

Inside NASA's plan to explore underground lunar caves that one day could shelter astronauts

NASA is preparing to explore deep craters on the moon, known as the Marius Hills pit, to determine if ancient underground caves could provide shelter for future astronauts.

NASA’s Curiosity shares dramatic glimpse of Martian dawn

The Curiosity rover snapped what NASA scientists are calling the most detailed view yet of the distant, wind-carved Martian cliffs at dawn, and leaving them asking more questions about what they see. 

2026 Harvest Moon: When is it and how to see it

The Harvest Moon will appear full over the next few nights, so don't forget to look up.

Pentagon releases sixth batch of declassified UFO files including video of swarm of objects over Utah in 1952

A sixth batch of declassified UFO files were released by the Pentagon Friday, the latest such release in the Trump administration's new wave of public disclosure of Unidentified Anomalous Phenomena (UAP). 

US Space Force increasing ranks, offers service members from other branches transfer opportunity

The United States Space Force (USSF) is offering service members from the U.S. Air Force, U.S. Army, U.S. Navy, and U.S. Marine Corps the opportunity to transfer to the USSF through the Interservice Transfer (IST) program.

Bodies of 4 recovered after plane goes missing in Bahamas

Family members say the bodies of four people aboard a small plane that disappeared shortly after taking off from the Bahamas have been recovered.

September skywatching guide: Harvest Moon, bright Venus, fall equinox and more ahead

September brings plenty of reasons to look to the skies. From a meteor shower and bright Venus to the official change of seasons and the year's Harvest Moon, an impressive lineup awaits stargazers this month.

NASA's Nancy Grace Roman telescope launches: What will it do?

NASA’s Nancy Grace Roman telescope has launched into space to help scientists study the universe like never before.

President Trump awards Artemis II crew Congressional Space Medal of Honor

President Donald J. Trump presented the Congressional Space Medal of Honor to the historic Artemis II crew during a ceremony at NASA's Johnson Space Center in Houston on Friday morning.

US shuts down China-linked hacking tools accused of targeting NASA, federal agencies

The Justice Department and FBI said they shut down two China-linked hacking platforms allegedly used to target U.S. critical infrastructure and government networks.