Lying between Mars and Jupiter is a massive ring of rock debris—the asteroid belt. Now thin, it’s fading away gradually.

Imagine you had to experience an apocalypse every day. Volcanic eruptions, tsunamis, asteroid showers. Every day would be a ...

Contextualizing speed and distance helps set expectations. Around perihelion, 3I/Atlas is moving at roughly 68 km per second. Its closest approach to Earth is about 1.8 AU, near December 19, which is ...

Lying between Mars and Jupiter is a massive ring of rock debris—the asteroid belt. Now thin, it’s fading away gradually. In a new study, planetary scientist Julio A. Fernández of Uruguay’s Universidad ...

Scientists have uncovered a mysterious relic from an area of the moon that has never been explored by humans until now.

A captivating interstellar wanderer, known as 3I/ATLAS, has become the focal point of global astronomical interest.

The rare interstellar comet 3I/ATLAS is under intense scrutiny as it passes through the solar system. Spacecraft like Hera, ...

Astronomers have identified 2025 SC79, a new asteroid with a remarkably fast 128-day orbit, placing it among the second-fastest ever observed. This "twilight asteroid" orbits close to the Sun, ...

All sorts of crazy things have been suggested regarding 3I/ATLAS, the third known interstellar object that we've discovered.

I/ATLAS anomalies and enormous kinetic energy update highlights seven unusual features of the interstellar object studied by Prof. Avi Loeb. The objects size, composition and trajectory suggest ...

According to the website Today, the first new moon of this fall occurred on Tuesday, October 21, at 8:25 a.m. (Eastern Time).