Caltech is a place unlike any other, an Institute that is truly “small but mighty.” Its small size and the expertise of its ...

How common are Earth-like planets in the universe? When I started working on supernova explosions, I never imagined that my ...

It's one of life's biggest questions - are we alone in the universe? Now, one of Britain's top space scientists has declared ...

From the surface, Earth looks like a relatively ordinary rocky planet, wrapped in clouds and a thin blue atmosphere. A new line of research argues that, hundreds of millions of years ago, it may have ...

"A single collision could have catastrophic long-term consequences," the authors explain, and we would not have long to avoid ...

Carl Sagan famously said that "We're all made of star stuff." But he didn't elaborate on how that actually happened. Yes, ...

Three scientists at UC San Diego’s Scripps Institution of Oceanography will be honored by the American Geophysical Union (AGU ...

Roughly four and a half billion years ago the planet Theia slammed into Earth, destroying Theia, melting large fractions of Earth’s mantle and ejecting a huge debris disk that later formed the moon.

If you've ever wondered why we are here, then you can thank Jupiter for part of the answer. A new study from Rice University suggests that if it weren't for the gas giant, the Earth would have ...

Ever since life first sprang up from the primordial soup, it has found new ways to expand. But what happens when life begins to leave its home planet? That was the question NASA astrobiologist Dr.

Earth's systems are nearing tipping points that could plunge the planet into a "hothouse" regime — but there's still time to prevent that from happening, scientists say. When you purchase through ...