What can a sample return mission from Jupiter's volcanic moon, Io, teach scientists about planetary and satellite (moon) formation and evolution? This is what a recent study presented at the 56th ...

Scientists are using an array of instruments to detect other planets, some of which may harbor life—and others that most ...

PHILADELPHIA (WPVI) — Police are searching for two men accused of attacking someone inside the locker room of a Planet Fitness in South Philadelphia. It happened around 12:20 a.m. on February 19 ...

Using data collected by NASA's Juno spacecraft as it flew past Jupiter's highly volcanic moon Io in late 2023 and again in early 2024, a Southwest Research Institute-led team identified electrons ...

The four planets are classified as sub-Earths because each one is about 19% to 34% the mass of Earth, according to new research. “It’s a really exciting find — Barnard’s Star is our cosmic neighbor, ...

A new study presents a compelling new model for the formation of super-Earths and mini-Neptunes -- planets that are 1 to 4 times the size of Earth and among the most common in our galaxy.

Astronomers have revealed new evidence that there are not just one but four tiny planets circling around Barnard's Star, the second-nearest star system to Earth. Astronomers have revealed new ...

The two innermost planets, Venus and Mercury, will shine together low in the western sky at sunset on March 10. Here's how to get the best view before they disappear.