For the past few days, the interstellar comet 3I/ATLAS has been displaying a blue-green gas coma measuring 2.5 arcminutes ...

Astronomers predict it will pass relatively close to four planets (but not Earth) and the Sun, then continue its cosmic journey. A Harvard professor made headlines theorizing our visitor is a ...

New scientific discoveries may have just rewritten ancient history. Researchers have uncovered shocked quartz—a mineral only ...

Buried deep in Greenland's ice sheet lies a puzzling chemical signature that has sparked intense scientific debate. A sharp spike in platinum concentrations, discovered in an ice core (a cylinder of ...

It could mean two bright comets will be visible in the night sky at the same time, on the peak night of a meteor shower.

Several well-known meteorite discoveries are still a mystery. Avi Loeb’s interpretation of some meteorite debris possibly being of alien origin is controversial, because peer‑reviewed analyses point ...

An interstellar comet passing through the solar system contains a surprising mix of chemicals, findings that could help ...

The month of October is a treat for stargazers, as they’ll be able to see two different comets, one of which is long-tailed, ...

For years, NASA's Curiosity Mars rover has been exploring the slopes of Mount Sharp inside the Red Planet's Gale Crater, ...

NASA has just shared one of its most impressive Mars panoramas to date. Captured by its trusty Curiosity rover, the panorama (below) of the Martian landscape comprises 44 images taken by the rover’s ...

Interstellar Comet 3I/ATLAS is fast racing towards the inner solar system. It now has a cometary tail and a bright coma.

Recently, in a “wild” new spin on the theory, known as directed panspermia, it’s been suggested that “aliens sent microbes or ...