A new explanation for the solar system's radioactive elements suggests Earth-like planets might be found orbiting up to 50 ...

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

Rocky planets like our Earth may be far more common than previously thought, according to new research published in the ...

The interstellar comet 3I/ATLAS will make its closest approach to Earth on December 19, and will be visible with binoculars ...

Officially designated 3I/Atlas after its discovery this summer, the comet will make its closest approach to Earth this Friday ...

Contrary to what some people think, the Earth isn’t the center of the Universe. But what if it was?

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

The comet will come much closer to Jupiter in March, zipping within 33 million miles. It will be the mid-2030s before it ...

The interstellar comet will pass safely by Earth, giving astronomers their best chance to study it up close.

TRAPPIST-1e, an Earth-sized world in the system’s habitable zone, is drawing scientific attention as researchers hunt for ...

A solar storm could knock out navigation and communications systems, caushing satellites to crash into each other.

I/ATLAS is no ordinary comet. With its unusual rhythmic ‘heartbeat’ and surprising acceleration, it is taking us on a journey ...