When a NASA scientist finally cracked open a cache of 50-year-old lunar soil, the expectation was to refine old models, not ...

The ground beneath Yellowstone is flexing again, rising and falling in a slow rhythm that scientists liken to a living system ...

For a long time, scientists assumed that Earth's water was delivered by asteroids and comets billions of years ago. This ...

Webb data explains how heat-formed crystal minerals end up in icy comets by tracking their journey around a young, actively forming star.

Long before dinosaurs, Earth’s forests were ruled by a many-legged giant. Here’s why this millipede’s size still challenges ...

Look high above the southern horizon at sunset on Jan. 25 to find the moon with its right half illuminated by direct sunlight ...

Falling space junk is becoming a real-world hazard, and scientists have found a clever new way to track it using instruments ...

A major debate over the construction of the mysterious Neolithic Stonehenge site in the UK may finally have been resolved.

The Earth channels cosmic power in the form of solar energy. The coming winter superstorm shows just what havoc that power ...

As the Artemis II mission gears up for its Feb. 6 launch, final preparations are underway at Kennedy Space Center, including ...

NPR's Ailsa Chang speaks to astronomer Sarah Greenstreet about her team's new discovery of the fastest-spinning large asteroid known to man.

Skygazers who look up at the moon tonight may be able to spot Saturn below it. Here's when and how to spot the conjunction in Arizona.