The Milky Way's tidal forces may be shaping the Oort Cloud's inner structure into a spiral shape.

NASA and SpaceX are gearing up for an exciting double launch, sending the SPHEREx and PUNCH missions into space. SPHEREx will ...

The edge of the Solar System is a strange place, full of oddities we've only just begun to probe. But perhaps the oddest of ...

A rare full seven-planet alignment will be visible in the early night sky between Feb. 22 and 28. We have the tips you need ...

The best opportunity to potentially see all seven planets is coming up on Feb. 28 around 6:10 p.m. ET, according to Shanahan.

The coming decades promise groundbreaking advancements in space exploration, with multiple missions targeting the Moon, Mars, ...

Meet Tylos: a gas giant 900 light years away and with a climate never seen before on any planet known to scientists.

For the first time, scientists have developed a 3D map of an atmosphere belonging to a planet outside our solar system.

Astronomers have peered into an alien planet's atmosphere and found extreme weather unlike anything in the solar system.

The space telescope Gaia has created the largest three-dimensional map of the Milky Way ever. On January 15, 2025, Gaia shut ...

Clyde Tombaugh discovered Pluto in 1930 at Lowell Observatory in Flagstaff. Here's how Pluto won - and lost - its planetary status.

Trans-Neptunian objects (TNOs) are icy bodies that vary widely in size, from large dwarf planets like Pluto and Eris—each ...