NASA is tracking a rare interstellar object known as 3I/ATLAS as it approaches its closest point to Earth on Friday, offering ...

The discovery marks a significant moment for a theory that was once dismissed as fringe science but is now gaining serious scientific traction. Panspermia is far from a modern invention. The concept ...

This Friday, a rare interstellar comet known as 3I/ATLAS will make its closest pass to Earth, giving astronomers a chance to study an object that formed far beyond our solar system.

Scientists using NASA's James Webb Space Telescope have observed a rare type of exoplanet, or planet outside our solar system ...

Astronomers are preparing for a rare observational opportunity as interstellar comet 3I/ATLAS approaches its closest point to ...

The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will in a matter of days come as close to our planet ...

An artistic rendering of a dust and gas disk encircling the young exoplanet, CT Cha b, 625 light-years from Earth. Spectroscopic data from NASA’s JWST suggest the disk contains the raw materials for ...

The giant planets weren't always where we find them today. Jupiter, Saturn, Uranus and Neptune formed in a more compact ...

Interstellar comet 3I/ATLAS makes its closest Earth approach on Dec. 19, offering astronomers a rare chance to study a visitor from beyond the solar system ...

In the spirit of the season, the interstellar comet 3I/ATLAS is changing color as it leaves the sun behind — shifting from a ...

Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.

Hot Jupiters were once cosmic oddities, but unraveling how they moved so close to their stars has remained a stubborn mystery ...