Remember 3I/ATLAS? Yes, the interstellar comet that made plenty of headlines in 2025 is still romping through our solar system.

NASA’s Stennis Space Center has quietly cleared a major hurdle for Artemis IV by finishing activation of a new high-pressure water system that will shield hardware from the force of full-scale rocket tests.

Astronauts Barry "Butch" Wilmore and Sunita Williams were expecting to spend eight to 10 days in space. They ended up​ remaining in orbit for 286 days.

Viewed from orbit, Jackass Flats — situated in southern Nevada about 65 miles northwest of Las Vegas — could easily be confused for Mars. The alluvial basin is full of tan and gray regolith, hued slightly red, and almost completely surrounded by carved ...

NASA’s Glenn Research Center developed a new flywheel-based mechanical battery system that redefined energy storage and spacecraft orientation. This innovative approach demonstrated the potential of flywheels as a sustainable and efficient alternative to ...

CLEVELAND — NASA scientists at Glenn Research Center in Cleveland are developing portable X-ray technology that could revolutionize medical care during extended space missions, addressing critical health challenges as humans venture farther from Earth ...

New infrared observations reveal that the rare interstellar visitor known as comet 3I/ATLAS has dramatically brightened during its farewell tour of the solar system.