Two European Space Agency Mars-orbiting missions, the Mars Express and ExoMars Trace Gas Orbiter spacecraft, watched as a powerful solar "superstorm" that ravaged Earth also struck the Red Planet. The ...

The interstellar comet 3I/ATLAS is leaving our solar system. See new photos from the a European Space Agency orbiter on its way to Jupiter.

Hundreds of people who love the little planet that was dissed, gather every year in the Arizona town where Pluto was ...

For no explainable practical reason, humans are enamored with – and even empathetic toward – specific inanimate objects. Our ...

Astronomers first spotted comet 3I/Atlas in data collected by the Asteroid Terrestrial-impact Last Alert System (ATLAS) in ...

Despite the dramatic name, these alignments aren’t exceptionally rare. The last six-planet parade occurred in January 2025, ...

In late February, people in the Northern Hemisphere can look up for a special sight: six planets will all be visible from clear and dark night skies. New sonifications from NASA’s Chandra X-ray ...

Interstellar comet 3I/ATLAS has steadily been making its exit ever since it had a rendezvous at the end of October with the sun.

The interstellar comet 3I/ATLAS is leaving our solar system for good. Here's what to know about its journey and NASA's ...

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

Our solar system hosts almost 900 known moons; more than 400 orbit the eight planets while the remaining orbit dwarf planets, ...