Harvard astrophysicist Avi Loeb has sparked global attention after warning the public to 'take vacations before October 29', claiming NASA is concealing key data about a mysterious interstellar object ...

Keck II telescope observations of interstellar object 3I/ATLAS found "evidence for a puzzling anti-tail extension" pointing ...

Harvard’s Avi Loeb says interstellar object 3I/ATLAS is releasing a metal alloy only known from human industry, raising ...

A planetary scientist who has participated in analog missions describes their value for planning space exploration – and ...

After four rounds of layoffs in two years that cut a quarter of its employees, the Jet Propulsion Laboratory now faces a ...

It's controlled by little green men from Mars, returning from "out there" to molest our women.

New images of the 33-million ton interstellar object confirmed it is releasing a nickel alloy commonly used in the aerospace ...

When we think of a day, we usually imagine 24 hours. But did you know that not all planets have days that last 24 hours? In ...

An alien comet passing through our solar system made its closest approach to Mars recently, and two European robotic spacecraft orbiting the red planet turned to take a look.

Comet Lemmon, also designated C/2025 A6, was discovered in January by a telescope scouring the night sky for near-Earth asteroids. Comet SWAN, also known as C/2025 R2, was spotted in September by an ...

This week, a series of new astronomical observations have deepened the mystery surrounding the unusual interstellar object 3I ...

Mars is closer than ever, but the human body isn’t ready. Inside the biological war against radiation, microgravity, and ...