On the evening of May 20, skywatchers in the United States will witness a striking celestial display as the waxing crescent ...

Blue sunsets, whirling dust devils, giant volcanoes, tiny moons, and marsquakes—there’s a lot to discover on Mars!

While some people want to go on vacation to experience a busy city, others look for quiet. These places offer a stillness ...

Placing ultrastable lasers inside some of the coldest, darkest lunar craters could help scientists establish a GPS-like ...

They rank among the darkest and coldest places in the solar system: Hundreds of lunar craters, many of them at the moon's ...

Scientists propose ultrastable lunar lasers inside permanently shadowed craters to enable GPS-like navigation and precision ...

Neptune has a complicated life story, and its moon Nereid might be the only one left standing from the planet’s ...

A study suggests that the ice giant's largest moon, Triton, made a dramatic entrance to the Neptunian system long ago, ...

Neptune’s third-largest moon, Nereid, could be an intact survivor from the planet’s original satellite system, upending ...

This goes against the previous theory, which has long suggested that Nereid is actually an object captured from the Kuiper ...

Neptune’s oddball moon Nereid may be the sole remnant of an earlier system, formed near the planet rather than being pulled ...

This view of the Martian surface, captured by NASA's Psyche spacecraft on May 15, 2026, shows streaks that have formed due to ...