A July flyby of a massive asteroid went undetected until two days after it passed, raising urgent questions about planetary ...

On October 31, 2015, an asteroid shaped like a human skull flew by Earth. It arrived with excellent timing on Halloween, ...

On October 31, 2015, an asteroid shaped like a human skull flew by Earth. It arrived with excellent timing on Halloween, ...

Scientists are investigating a mysterious pulse signal from interstellar object 3I/ATLAS. The signal reportedly follows a ...

Scientists are observing the skies as the comet 3i/ATLAS makes a close flyby of Earth. Gabriel J. Sánchez is a producer for NPR's All Things Considered. Sánchez identifies stories, books guests, and ...

Astronomers worldwide are intensely studying 3I/ATLAS, a mysterious interstellar object entering our solar system. Its ...

Physicist Michio Kaku says interstellar object 3I/ATLAS may reveal signs of intelligent life if it gains energy near the Sun.

Artificial intelligence is completely revolutionizing how we observe space. As telescopes like the Vera C. Rubin Observatory ...

I/ATLAS is only the third interstellar object ever identified, bringing fresh mysteries and redefining the boundaries between ...

Just in time for Hallowe'en in 2024, Hubble and JWST captured an image of two interacting spiral galaxies — IC 2163 and NGC ...

The newly discovered "twilight" asteroid, 2025 SC79, was obscured by the sun's glare until an astronomer pointed the Dark ...

A small asteroid, known as 2025 TF, flew over Antarctica on October 1, 2025, at an altitude of only 266 miles.