Scientists are turning their attention to a rare interstellar encounter expected in March 2026, when comet 3I/ATLAS is ...

Astronomers were busy in 2025, starting the year off by tracking an asteroid that put Earth on alert, followed by discoveries in deep space that could lead to the discovery of millions of stars and ...

Two cosmic collisions near the star Fomalhaut solve the mystery of a disappearing "planet" and show rare planetesimal crashes ...

An asteroid roughly the size of a small city may slam into the Moon in 2032, and if it does, the blast could hurl clouds of lunar rock into space and toward Earth. Scientists say the odds of a direct ...

One proposed way of examining if such a force could exist is by closely monitoring asteroid trajectories, and few near-Earth ...

NASA is also tracking a building-sized asteroid named “2025 YC3”, with a diameter of around 260 feet, and another bus-sized one known as “2025 XT7,” some 42 feet across. Both are expected to come with ...

The Ursid meteor shower will reach its dazzling peak this evening, sending bright fireballs flashing through the sky.

When interstellar comet 3I/ATLAS made its closest approach to Earth on December 19, 2025, it did not become a spectacular object in the night ...