While most scientists believe it’s a natural comet, one Harvard astronomer has suggested its unusual features could hint at ...

Interstellar comet 3I/ATLAS is just the third such object ever confirmed to have entered our solar system. It has attracted ...

An astronomer has snapped comet 3I/ATLAS using the Lowell Observatory's powerful Discovery Telescope, as well as his own small telescope. The new photos are believed to be the first optical ...

When Comet 3I/ATLAS roared into the solar system this summer, it launched a scientific scramble to study what astronomers ...

The 3I/ATLAS comet was first spotted in July near Jupiter after it entered our solar system from another universe. Here’s ...

November's Sky Above episode features a supermoon, meteor shower, and interstellar comet, with experts discussing these ...

Manhattan-sized comet 3I/ATLAS — which scientists suspect could have extraterrestrial origins — will reach its closest ...

Time now for an interstellar flyby. Let's meet a very old comet, 3I/ATLAS. DARRYL SELIGMAN: 3I/ATLAS is probably somewhere between 3 billion to 11 billion years old. So it's presumably been traveling ...

Researchers rarely get a glimpse of an interstellar object up close like 3I-ATLAS, so they have jumped on the opportunity to learn about its composition, which can reveal how planet systems are made.

But orbiters around Mars and Jupiter will get a look. An interstellar visitor to our solar system known as 3I/ATLAS has ...

Perihelion for 3I/ATLAS takes place on Oct. 30, when the interstellar interloper will be 1.35 astronomical units (125 million ...