Nearly all of the solar system’s planets are about to file across the night sky in a planetary alignment, and it will be ...

Life needs nutrients like nitrogen and phosphorus. But without the right balance of oxygen, these elements get locked away in planets’ cores.

Hundreds of people who love the little planet that was dissed, gather every year in the Arizona town where Pluto was discovered. They celebrate scientific discovery, history and our solar system’s ...

Tiny life forms tucked into debris from an asteroid hit could catapult to other planets—including Earth—and survive, a new ...

The outlooks of Life Time and Planet Fitness show the divergence in spending between higher- and lower-income consumers.

Six planets are set to align on Saturday, creating a planetary parade that will be visible to sky-gazers across the globe.

The planets are visible throughout February, "but they’ll be lined up best toward the end of the month,” NASA says.

An astronomy professor explains what exoplanets are, why he keeps looking for them and how Israel intercepts missiles “in ...

Astronomers have found a planetary system that seems to have formed inside-out. While most systems, like our own, have rocky planets closest to their star and gaseous ones further out, the LHS 1903 ...

The planet parade is back once again, and this time six planets will align in the sky. Here's when and what planets will be a ...

Out beyond the orbit of Neptune lies an expansive ring of ancient relics, dynamical enigmas, and possibly a hidden planet—or two. The Kuiper Belt, a region of frozen debris about 30 to 50 times ...

Who’s ready for a “planet parade”? The last planetary alignment was in August 2025, when six planets aligned and four were ...