A little over 5 million years ago, water from the Atlantic Ocean found a way through the present-day Strait of Gibraltar.

NASA is closely monitoring a building-sized asteroid as it makes its closest approach to Earth today, among a group of five other space rocks passing by our planet over the next two days. The asteroid ...

Imagine if Earth's history had a mystery novel, and one of its biggest unsolved puzzles was: Where did all the nitrogen go?

It is the source of all the water on Earth, and NASA recently discovered it. New discovery identifies the billion-year-old source of Earth’s water.

Space is the final frontier but just like Earth, it has some similar problems - including the disposal of human waste ...

The Perseverance rover on Mars is set to begin its newest challenge: a slog up the rim of the Jezero Crater that will take months to complete. The rover will face steep slopes and difficult terrain, ...

This is a still from an animation showing asteroid 2024 YR4 as it passes by Earth and heads toward its potential impact with the Moon. This 3D shape of the asteroid was determined from data obtained ...

After all the space drama, astronomers have figured out what that "city killer" asteroid actually looks like: a flat, ...

The Lyrids are expected to peak shortly after Easter, giving stargazers a nice show a week after the full moon brightens Kentucky's night skies.

K2-360 is a newly found planetary system with a super-dense planet, likely the core of a former larger world, shaped by ...

The asteroid that once had a small chance of striking Earth and now might slam into the moon resembles a spinning hockey puck ...

Researchers mapped a far-infrared landscape brimming with nearly 2,000 galaxies. There may be "hidden galaxies" lurking just ...