Scientists have uncovered the "genetic fingerprint" of the dinosaur-killing Chicxulub impactor, potentially revealing the fateful rock's origins in the outer reaches of our solar system.

The authors of the paper describe the space elevator as a 30,000 km-long structure. It will travel into the solar system "more than 30 times farther than the diameter of Ceres itself." Carbon ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...

A small, inconspicuous meteorite may be about to change our understanding of how and when our solar system formed. Tiny shavings from the meteorite Northwest Africa 12264 are challenging the long-held ...

Astronomers have confirmed the third interstellar object on record is dashing through our solar system. Dubbed 3I/ATLAS, it ...

Solar System Planets. Astronomy articles on the eight planets, plus the two dwarf planets, Pluto and Eris. Great pictures of everything in the solar system. Updated daily.

NASA’s Psyche Spacecraft, Exploring Solar System Origins, Is Back on Track after Thrusters Lost Power This explorer spacecraft is heading to a rare asteroid with a naked metal core.

When the news started to spread on July 1, 2025, about a new object that was spotted from outside our solar system, only the ...

By orbiting the Sun outside of the Solar System’s orbital plane, the spacecraft has captured the first clear images of the Sun’s south pole. According to the ESA, these observations (and other ...

Asteroid 2024 YR4 has a 0.0017% chance of hitting Earth, but media reports too often ignore the unlikelihood of impact in reports of near-Earth asteroids, a Tucson astronomer says.