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

An interstellar comet that originated outside our solar system has just made its closest pass to the sun, brightening ...

The interstellar invader Comet 3I/ATLAS is continuing to surprise scientists, this time by brightening at an unexpectedly ...

The interstellar comet 3I/ATLAS has a thick irradiated crust that no longer resembles its home star system, simulations and ...

As comet 3I/ATLAS nears the Sun, viral TikTok videos fuel alien spacecraft rumours, while astronomers insist it is a natural ...

A photographer says he feels "very lucky" to have captured Comet C/2025 A6. Also known as Comet Lemmon, it was first detected ...

November 2025 offers a fading green comet, the year’s biggest supermoon, Taurid and Leonid meteors, Orion’s return, and Mercury’s best dawn view.

The comet is on what’s known as a hyperbolic trajectory, which means that it doesn’t follow an orbital path around the sun.

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

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

These browsers all promise to automate away the mundane aspects of navigating the internet, and there are moments—like when ...

An interstellar object called 3I/ATLAS has just passed our sun. Despite online rumours that it’s an alien spaceship, experts ...