Leaked images hint at a dusty spacecraft; Avi Loeb fuels speculation, but NASA dismisses alien claims. Comet's brightening, ...

Comet 3I/ATLAS, which made a close approach to the sun, has prompted lots of public interest. Kim Kardashian asked NASA's ...

Comet 3I/ATLAS, only the third known visitor from beyond our Solar System, has been brightening far more rapidly than ...

Scientists and engineers in the Tianwen 1 project team started making preparations for the 3I/ATLAS observation in early ...

3I/ATLAS, the interstellar object currently travelling through our solar system, has set a new precedent, astronomers confirm ...

Anyone who studies planetary formation would relish the opportunity to get a close-up look at an interstellar object. Sending a mission to one would undoubtedly yield a scientific payoff. There’s a ...

Astronomers and enthusiasts can only wait as Interstellar object 3I/ATLAS passes behind the Sun’s glare. By the time it ...

Astronomers are hustling to use interplanetary spacecraft to study the interstellar comet dubbed 3I/ATLAS while the sun is hiding it from Earth ...

Comet 3I/ATLAS is warming up as it approaches the sun, causing a jet to emerge. The jet is visible in a dramatic new image.

Here's where Comet 3I/ATLAS, Lemmon and SWAN are in the Halloween sky.

Darryl Z. Seligman is an Assistant Professor of Physics and Astronomy at Michigan State University.

Amid growing mystery surrounding 3I/ATLAS, Republican congresswoman Anna Paulina Luna is calling on NASA to share unreleased ...