From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

Harvard physicist Avi Loeb is puzzled by the interstellar comet 3I/ATLAS after it turned a shocking green colour near the sun ...

Comet 3I/Atlas is just the third known object to visit us from outside our solar system. So yes... we'll be talking about aliens.

Before giving the Royal Institution Christmas Lectures, The Sky at Night presenter explains why having a ‘big, powerful dream ...

The 3I/ATLAS interstellar object, which a number of scientists consider to be potentially technological and likely to pose a threat to humanity, is rapidly approaching Earth, causing a new round of ...

Mysterious Bright Flashes in the Night Sky Baffle Astronomers Celestial transients shine furiously and briefly. Astronomers ...

The Manhattan-sized interstellar visitor hurtling through space has captured the imaginations of UFO watchers for months and ...

Hidden within Cassiopeia A, the youngest known exploded star in our galaxy, astronomers have found surprisingly high levels of chlorine and potassium. These elements carry an odd number of protons in ...

The best reason to send humans to Mars isn’t for guts or glory—or the construction of colonies to safeguard against existential Earth-bound risks. Instead it’s to answer a single, simple question: Is ...

Ilana is a Lists Trainer and Editor at Collider since 2021. She has previously written for digital publications covering lifestyle and culture (Glitter Magazine, VinePair, etc.), but her passion lies ...

Ever since 3I/ATLAS, an interstellar object was discovered on July 1, 2025, by the NASA-funded Asteroid Terrestrial-Impact ...