About 66 million years ago, an asteroid slammed into the planet, wiping out all non-avian dinosaurs and about 70% of all marine species. But the crater it left behind in the Gulf of Mexico was a ...

Astronomers at W. M. Keck Observatory on Maunakea have uncovered new insights about 2024 YR4. This is an Earth-crossing ...

As global temperatures rise, scientists debate the pros and cons of solar geoengineering, a strategy to cool Earth by reflecting sunlight into space.

When their end comes, the stars will explode in a blast making them around 200,000 times brighter than Jupiter does now.

Some NASA Earth science missions have been told to prepare termination plans given the potential for major budget cuts in the ...

The Empty Quarter (Rub’ al-Khali), the vast desert of the Arabian Peninsula, was not always an arid landscape. A recent study ...

Despite its uniquely rich inventory of organic molecules, Saturn's largest moon, Titan, may be able to support only a ...

Astronomers have long predicted that two orbiting white dwarfs are the cause of most type 1a supernova explosions. While the ...

It's not an exact science, which is why YR4's size ... aimed itself at a harmless – from the Earth's point of view – binary asteroid system consisting of asteroid Didymos (780m, or 2,559 ...

Could a reactionless, gravity-defying propulsion system actually work? A former NASA engineer says yes, but scientists are ...

Modern continental rocks carry chemical signatures from the very start of our planet's history, challenging current theories about plate tectonics.

The University of Hawaii astronomer’s interest in habitable worlds began at a geothermal field in Iceland, where she and a ...