The newly identified cluster of Kuiper Belt objects lies about 4 billion miles from the Sun, offering fresh clues about how ...

Mercury has long baffled astronomers because it defies much of what we know about planet formation. A new space mission ...

Astronomers at Princeton University have uncovered evidence that the outer solar system is more structured than long believed ...

Stars and planets are inextricably linked. They form together and stars shape the fate of planets. Stars create the dusty ...

Across the Milky Way and beyond, planetary systems appear to fall into a few recurring blueprints, and recent exoplanet ...

Around the bright star Fomalhaut, astronomers spotted glowing clouds of debris left behind by colossal collisions between ...

Every planet in the solar system leans, some gently, some dramatically, and that tilt quietly shapes everything from our ...

Every year brings different shifts that you can harness to make your wildest dreams a reality, but 2026 is full of rare, game ...

We share some incredible images this week, featuring a range of spacecraft. NASA's MRO finds a new crater on Mars, ESA's ...

When you look up at the night sky, planets seem calm and fixed. But a new study shows that nearby planetary systems can be ...

While surveying distant worlds beyond our solar system, researchers unexpectedly obtained the first direct images showing ...

Could the icy moons of our solar system hold life beyond our planet? Keith Cooper looks at how planetary scientists plan to ...