The mysterious object named 3I/ATLAS that came from outside our solar system and is hurtling towards the sun, has once again ...

Loeb is not dismissing the comet theory, but he argues the odds of something unusual are higher than most assume. On his ...

Mundane wayward space rock, or extraterrestrial visitor? Astronomers believe that our solar system's latest and only third ...

But NASA and most astronomers say it’s almost certainly a comet. 3I/ATLAS, also known as C/2025 N1, is an interstellar comet discovered by the Asteroid Terrestrial-impact Last Alert System station at ...

A newly discovered interstellar comet, 3I/ATLAS, has sparked debate in the scientific community after Harvard astrophysicist Avi Loeb and his team proposed a speculative idea-that it might be an alien ...

Data from the Deep Impact comet collision appears to support a controversial theory, the Electric Universe model, that claims to solve many of the mysteries of the cosmos. By David McCandless.

That strange interstellar object flying by us may, according to one outlandish astronomer, have been sent by aliens to see ...

While observing the Halley-type comet 12P/Pons-Brooks with ALMA and NASA's Infrared Telescope Facility, researchers ...

of small comet detection using the ground-based Spacewatch Telescope during November 1987, January 1988 and April 1988. The small comet theory, developed in 1986 with UI research scientist John ...

The controversial theory that a comet impact sent Earth into a sudden climate chill nearly 13,000 years ago has been dealt a serious blow, according to scientists who have analysed sediments from ...

Our new results provide the strongest evidence yet that at least some Halley-type comets carried water with the same isotopic ...