It looks and behaves like a comet, and all evidence points to it being a comet. But this one came from outside the solar ...

A violent stellar disruption recorded in 2024 has given astronomers their most comprehensive evidence yet of a black hole ...

Most comets whisper in visible light this one shouts in X-rays.” That’s how one European Space Agency scientist described the unprecedented detection of high-energy emissions from 3I/ATLAS, the third ...

Astronomers analyzing data from an array of telescopes — including the W. M. Keck Observatory atop Mauna Kea on the Big ...

A 40-atom gold nanocluster breaks from gold's signature dense packing, forming square atomic planes with a central channel that accelerates electron relaxation about 80x.

When interstellar comet 3I/ATLAS made its closest approach to Earth on December 19, 2025, it did not become a spectacular object in the night ...

The research team, led by scientists at University of California, Berkeley, focused on an event discovered in 2024 known as ...

NASA’s SPHEREx space telescope has mapped the entire sky in 102 infrared colors for the first time, revealing cosmic secrets ...

"I think every astronomer is going to find something of value here, as NASA's missions enable the world to answer fundamental questions about how the universe got its start, and how it changed to ...

Starlight and stardust are not enough to drive the powerful winds of giant stars, transporting the building blocks of life ...