That's far from what you'd call a good day, but it turns out the dinosaurs were particularly unlucky: A string of unfortunate ...

Are we alone in the universe? For scientists working on NASA's proposed Habitable Worlds Observatory, that question is no ...

The moon has been bathed in solar wind for billions of years, but the two hemispheres are struck by solar wind of different ...

(Ratnakorn Piyasirisorost/Moment/Getty Images) In the beginning, there was moosh. At the dawn of the Solar System, young ...

The curious minds at What If explore what would happen if Uranus collided with Earth.

Researchers probe the geochemistry of the moon, Mars, asteroids, and water worlds to understand our home and plan for future ...

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

In a major milestone in the search for life on other planets, astronomers have detected, for the first time, an atmosphere ...

A catastrophic asteroid breakup may have triggered a huge wave of impacts across the inner solar system about 800 million ...

A shattered asteroid may have unleashed a long-lasting cosmic barrage that left scars across the inner solar system and ...

Astronomers say they are one step closer to finding a habitable, Earth-like planet beyond our solar system with the discovery ...

A violent collision in the main asteroid belt may have sent debris raining across the inner solar system about 800 million ...