Ariel, one of Uranus' icy moons, may once have concealed a vast ocean more than 100 miles (170 kilometers) deep beneath its ...

These Martian dunes in Mars' northern hemisphere were captured from above by NASA's Mars Reconnaissance Orbiter using its ...

University of Arkansas researchers have discovered geological formations on Mars that suggest the planet may have once had an ocean.

A paper from NASA scientists and other researchers explores whether an asteroid with a 4% chance of hitting the moon should ...

Uranus’ moon Ariel may look like a frozen, airless world today, but new research suggests that beneath its icy crust, it may once have held an ocean more than 100 miles (170 kilometers) deep. That ...

This peculiar behavior has long fascinated scientists, particularly after NASA’s Voyager 2 flyby of Uranus in 1986. The ...

For decades, Uranus baffled scientists because it seemed to have no internal heat. Now, new computer modeling shows the ...

Today Mercury's dance with Jupiter will fuel enthusiasm and ambition. Optimism is contagious! (But so is the risk of ...

China's Chang'e 6 mission returned the first-ever far-side lunar samples, revealing new insights into the moon's interior.

In the 17th century, astronomers Christiaan Huygens and Giovanni Cassini trained their telescopes on Saturn and uncovered a ...

A new British study swirled new evidence on the moon's frigid space temperatures, suggesting its different sides hold vastly ...

What type of lander could touch down on Jupiter's volcanic moon, Io? This is what a recent paper presented at the AIAA 2025 Regional Student Conference hopes to address as a team of student engineers ...