A bus-size asteroid is on course to skim past our planet, a reminder that Earth moves through a shooting gallery of rocks and ...

The interstellar comet will pass safely by Earth, giving astronomers their best chance to study it up close.

The 38-foot-wide space rock is projected to come to within just 123,000 miles of our planet, according to NASA.

The 84-foot-diameter space rock—dubbed "2025 XM"—is hurtling through the solar system at a zippy 9,753 miles per hour.

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The comet will come much closer to Jupiter in March, zipping within 33 million miles. It will be the mid-2030s before it ...

A "House of Cards" is a wonderful English phrase that it seems is now primarily associated with a Netflix political drama.

Scientists are preparing for their best look at it yet.

Tracking comets accurately is hard. A new effort with the U.N. and NASA aims to better chart these visitors using 3I/ATLAS.