Live-service games that thrive for years get the rare chance to morph and evolve into something new. When Warframe launched ...

A strange class of comet could explain the enigmatic behavior of ‘Oumuamua, the first known interstellar object—and even shed ...

Interstellar comet 3I/ATLAS carries isotopic ratios entirely outside the Solar System range, ESO’s Very Large Telescope has ...

A comet screaming in from another star system carried alien ice ratios never seen before. What scientists found inside its spinning nucleus is reshaping how we picture worlds beyond our sun.

In July 2025, astronomers spotted something remarkable passing through our Solar System, an object that had not come from ...

The Allen Telescope Array at the Hat Creek Radio Observatory. Credit: Seth Shostak/SETI Institute A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious ...

The comet, which has a diameter of around 2.6 km, is probably the oldest-known object to venture through the solar system.

Scientists reveal comet 3I/ATLAS is up to 12 billion years old, offering insights into ancient planetary systems and cosmic conditions.

A strange interstellar comet discovered last year and speculated by a prominent astronomer to be an alien spacecraft could be older than our Solar System, according to a new study. The comet, first ...

It was initially thought to have formed between three and 10 billion years ago, but researchers have now found that it could be even older, originating from an ancient planetary system nearly 12 ...

In a new paper published in Nature today, a team of scientists (led by Martin Cordiner from the NASA Goddard Space Flight Center) have shed fresh light on the comet’s origin. Their results reveal it ...