If there was a contest for the most interesting moon in our solar system, Callisto would be a contender. Jupiter's ...

Europa, one of Jupiter’s intriguing moons, is hiding an ocean beneath its icy shell — an ocean that might harbor alien life.

Io’s long-debated magma ocean may not exist. Juno spacecraft data reveals that tidal forces deform the moon differently than ...

Europa is the sixth largest satellite in our Solar System and the smallest of Jupiter’s four Galilean moons. Discovered by ...

Tense, public squabbles between SpaceX CEO Elon Musk and NASA have stirred the space industry, but behind the scenes, space ...

The small satellite will orbit the moon to map out the locations of lunar water. Scientists are intrigued by Europa because they believe it could hold double the water held by Earth's oceans.

Astronomers discover a white dwarf in an 81-minute orbit, devouring its companion star. Its intense magnetic field, stellar outbursts, and gravitational waves reshape cosmic science.

Scientists are drilling 12 miles into Earth to unlock geothermal energy hotter than lava. This carbon-free power source could run forever, replacing fossil fuels and revolutionizing energy.

Read full article: Boeing could lay off hundreds if NASA’s SLS moon rocket is canceled ... “Voyage of Europa Clipper: Exploring an Alien Ocean” exhibit on Sept. 28-29. Read full article ...

While the car-sized spacecraft flew around the Mars system, flight controllers on Earth temporarily lost communication with ...

It covers nearly three-quarters of our planet but the ocean floor is less mapped than the moon, an astonishing fact driving a ...