This is peculiar, but it is not the first marshmallow planet discovered. Others have sported this extreme low density. What's ...

Astronomers are investigating a potential hidden planet, dubbed Planet Y, far beyond Neptune. Its gravitational pull is ...

Researchers at Chalmers University of Technology in Sweden and the US space agency NASA have made an unexpected discovery ...

The largest trackway, now known as the dinosaur superhighway, extends across the quarry and is believed to have been made by ...

A small asteroid, called 2025 TP5, will safely fly by our planet Oct. 15 at about a quarter of the distance to the moon.

Astronomers have discovered an alien world that defies every planetary rule with its massive size, low density, and tilted ...

We're just weeks away from this interstellar visitor reaching its brightest in Earth's night skies. Will we see it?

Scientists have discovered what may be the oldest surviving piece of our planet — a tiny chemical clue from the time before ...

Researchers have discovered dozens of new methane seeps littering the ocean floor in the Ross Sea coastal region of ...