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 ...

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.

A surprising discovery from a tiny grain of asteroid Ryugu has rocked scientists' understanding of how our Solar System evolved. Researchers found djerfisherite—a mineral typically born in ...

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.

The term "asteroid" has historically been applied primarily to bodies in the inner Solar System since the outer Solar System was poorly known when it came into common usage.

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.

As far as the hysteria oft expressed in Letters to the Editor on the proposed tyranny abetting “changes” to Federal Rules of Civil Procedure 65 (c), the truth is that the current long-standing ...