“How do you study the invisible?” This was the challenge the scientists at the ESA faced during the early days of December 2025 when the XMM-Newton telescope aboard the space telescope detected a ...

Comet Wierzchoś, also known as C/2024 E1, is rapidly brightening as it approaches its closest point to Earth next week. But ...

Interstellar comets are the original cosmic explorers, and by studying their metallic whispers, we are learning the secrets ...

The third known visitor from another star system, Comet 3I/ATLAS, has been racing through the Solar System with just enough weirdness to ignite a familiar debate: is it natural or could it be ...

Scientists confirmed that the interstellar comet 3I/ATLAS, which passed closest to Earth in December 2025, showed no detectable technosignatures strong enough to suggest it is an alien spacecraft.

Could these be signs of artificial 3I-ntelligence? With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not. NASA has staunchly maintained ...

The interstellar visitor, only the third such object to be discovered passing through our solar system, ignited controversial ...

On February 17, the comet will make its closest approach to Earth from 94 million miles, roughly as far as the Sun.