Wondering what 3I ATLAS is all about? Here's what to know as interstellar comet 3I/ATLAS nears Earth this week, when to watch ...

Comet 3I/Atlas is not just any comet; it is the third known interstellar object to traverse our solar system. Unlike comets such as Halley's, which originate from the icy fringes of our solar system, ...

Astronomers are gearing up for a rare event this December. The interstellar comet 3I/ATLAS, an erratic wanderer from beyond ...

Astronomers using NASA’s James Webb Space Telescope have found the strongest evidence yet that a rocky planet outside our ...

A mysterious excess of far-ultraviolet light seen across the Milky Way could come from the annihilation of clumpy dark matter ...

While the 21st century has been bumpy, it has also ushered in monumental scientific and technological breakthroughs that have ...

An ultra-hot rocky exoplanet may be wrapped in a dense atmosphere, defying expectations about what small planets can sustain.

Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.

James Webb Space Telescope observations reveal atmospheric gases above the molten rocky exoplanet TOI-561 b, providing the strongest evidence yet of an atmosphere on a tidally-locked ultra-hot ...

Is Comet 3I/ATLAS the Oldest Comet Visitor from the Solar System? Learn about Comet 3I/ATLAS, its origins, discovery, why it ...