3I/ATLAS has now made its closest approach to the sun and Earth and is now heading back out toward the outer solar system. On ...

Learn how you can say farewell to comet 3I/ATLAS as it passes by Earth on Dec. 19, 2025, and what we have learned during its ...

The giant planets weren't always where we find them today. Jupiter, Saturn, Uranus and Neptune formed in a more compact ...

With the vastness of the Universe, everything in it seems so spread out. But some objects are closer than you might realize.

Using the combined might of spacecraft scattered across the Solar System, scientists have built the most detailed map yet of ...

"Ultimately, this work may help scientists better predict the impact of space weather across the solar system on longer ...

Astronomers traced a mysterious 'scar' of ionized gas around the solar system to two stars that had a close flyby with our ...

Scientists have sought out and detected radio emissions from from interstellar comet 3I/ATLAS, all but confirming that it has ...

NASA's PUNCH mission is photographing the Sun like never before. It can see comets that are invisible to every other ...

In a couple billion years, our Sun will become so violently hot, that it could wipe out all life in the Milky Way. But as it gets stronger, it could also help us live on places like Pluto and Saturn's ...

A new explanation for the solar system's radioactive elements suggests Earth-like planets might be found orbiting up to 50 ...

In a new study published in The Astrophysical Journal, a group of researchers from the University of Colorado Boulder ...