For the first time since Pluto was demoted, the idea of a true ninth planet is edging from speculation toward something ...

Astrophysicist Avi Loeb delays classifying the interstellar object 3I/ATLAS. The key is data from its Earth pass and a ...

Exchanging greetings and resolving to do something positive in the coming year certainly create an uplifting atmosphere.

Harvard astrophysicist Avi Loeb says the odds of interstellar object 3I/ATLAS aligning its rotation axis toward the Sun are ...

Earth’s inner core has long puzzled scientists because seismic waves move through it unevenly. Compressional waves from ...

Physicists have started to treat a once-fringe idea with surprising seriousness: that our entire observable universe might be ...

Harvard astrophysicist Avi Loeb highlights 3I/ATLAS' baffling sunward jet after a 16° gravitational twist, defying known ...

Silicon Valley is racing to build a god — without understanding what makes a good one.

Ahead of The Game Awards, the developers of the action RPG talk about time dilation, romanceable companions and other hard sci-fi effects.

To bring order to the chaos of interstellar discovery, the Loeb scale was developed. It is a system that ranks cosmic objects ...

The lonely figure trudged across the frozen, bare field. The soil was rock hard. The wind bit at his face, too cold even for the geese cutting across the ...

Discovered in early 2025 by the ATLAS (Asteroid Terrestrial-impact Last Alert System) survey, 3I/ATLAS hails from outside our solar system, much like its predecessors 'Oumuamua (1I/2017 U1) and ...