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

A small asteroid flew 266 miles over Antarctica. It was too small to pose a threat, but objects of that size can produce fireballs.

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 ...

There are many programs that detect near-Earth asteroids as part of countries' planetary defense strategies. In the case of ...

Astronomers have witnessed the second-closest asteroid fly-by ever measured. Or at least we think they have, with government shutdowns preventing NASA from releasing a statement. Luckily, the European ...

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

TN2, the largest of four, will safely pass Earth today at 1.34 million km. There is no threat from it, said NASA.

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

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, ...

An animation of an asteroid's close approach to Earth has garnered considerable interest in recent times, largely due to its ...