Traveling between planets is far more difficult than most people imagine. Even with modern rockets, journeys across the solar system take months, years, or even decades depending on planetary ...

Astronomers have spotted something unusual in a comet passing through our Solar System. 3I/ATLAS, only the third confirmed interstellar visitor ever s.

Astronomers have uncovered evidence of a spectacular collision of two planets within the confines of a faraway solar system, ...

What happens when a solar superstorm hits Mars? Thanks to the European Space Agency's Mars orbiters, we now know: glitching ...

We're starting to see just how exceptional our own solar system and its history is, as more exoplanets are discovered. A fourth exoplanet discovery in the LHS 1903 system made by ESA's CHEOPS mission ...

There is a category of planet that belongs to no star. It was thrown clear of its solar system early in the chaos of ...

In our solar system, Jupiter is the undisputed king. If you added more mass to Jupiter, it wouldn’t actually get much bigger ...

With the first images from the spacecraft now in hand, the team behind NASA’s Star-Planet Activity Research CubeSat, or SPARCS, is ready to begin charting the energetic lives of the galaxy’s most ...

A huge solar storm struck Mars in 2024, supercharging its upper atmosphere and briefly disrupting spacecraft orbiting the Red Planet.

WASHINGTON — An exoplanetary system about 116 light-years from Earth could flip the script on how planets form, according to researchers who discovered it using telescopes from NASA and the European ...

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

When worlds collide…suns act squirrely. Astronomers have witnessed a rare and violent cosmic crash between two planets, and ...