Several robotic spacecraft orbiting the Moon can take detailed pictures of its surface, so why send people around the Moon? A ...

The February episode of The Sky Above features a look at astronomical events happening this month, including a parade of ...

Ahead of the anticipated launch of the Artemis II mission, catch a glimpse of February’s full moon, called the snow moon.

A new analysis of archival data from the Near Infrared Mapping Spectrometer (NIMS) on board NASA’s Galileo spacecraft has ...

It’s been 54 years since the last Apollo mission, and since then, humans have not ventured beyond low-Earth orbit. But that’s ...

The surface of Mars is alive with change. More than five years of observations by the University of Arizona's High Resolution Imaging Science Experiment (HiRISE) have revealed a planet with shifting ...

A colossal Martian volcano defies everything we know about planetary geology. Hidden clues beneath its frozen summit hint at a violent past, and a mystery scientists are only beginning to unravel. At ...

A newly identified region on Mars may hold the key to future human landings. Researchers found evidence of water ice less than a meter beneath the surface, close enough to be harvested for water, ...

New approaches are needed to help humanity deal with climate change and other global environmental threats that lie ahead in the 21st century, according to a group of 28 internationally renowned ...

Update: A minibus spending package passed by the House of Representatives on January 8, 2026, effectively cancels the Mars Sample Return program by eliminating almost all funding for future missions.

Right now one of the most advanced planetary explorers ever built is scouring the surface of Mars. Supported by a team of hundreds of scientists back on Earth, the Perseverance rover has traveled ...

Uranus’s tiny moon Ariel may have had a subsurface ocean that made up around 55% of its total volume. By mapping craters, crags, and ridges on the moon’s surface, planetary scientists modeled how ...