The Artemis II mission, which could launch as early as February, is expected to send four astronauts on a trip to the moon, ...

A new study questions dark energy's role in the universe's acceleration, suggesting it may be weakening instead.

The radio signature is exactly what we’d expect from a water-rich comet,” said one of the researchers, which captures the ...

Studies suggest that the universe's expansion is decelerating — but what could that mean for the future of the cosmos?

A newly analyzed set of images from the Hubble Space Telescope has intensified scientific debate over 3I/ATLAS, a rare ...

At 2:23 am Eastern time on March 19, 2025, an astronaut aboard the International Space station (ISS) captured a striking ...

Kicking off the year's cosmic wonders is the moon, drawing the first astronauts to visit in more than 50 years as well as a ...