The essential ingredient for life, water, appeared on both planets around 4.4 billion years ago, new research indicates.

Water is ubiquitous on Earth—about 70% of Earth's surface is covered by the stuff. Water is in the air, on the surface and ...

SpaceX soars while X drops. Meanwhile 26 companies including Half-Life game maker Valve debut on Forbes’ newest annual list ...

While SpaceX has revolutionized space launches, vastly decreasing their cost and increasing their reliability, the company ...

Larry Page's 2014 remarks about leaving his fortune to Elon Musk reflect his belief that revolutionary change outweighs ...

Astrophysicist Neil deGrasse Tyson said he doesn’t think Elon Musk’s vision for space travel to Mars is realistic during a ...

New research has uncovered what may be the oldest direct evidence of ancient hot water activity on Mars, revealing the planet may have been habitable at some point in its past.

On Episode 138 of This Week In Space, Rod Pyle and Tariq Malik talk with Scott Tibbitts, who spun $7 of hardware store parts ...

Mette Uglebjerg was named senior vice president of global food and marketing for Alimentation Couche-Tard Inc., the parent ...

In “A City on Mars,” Kelly and Zach Weinersmith investigate what life would be like for humans on the red planet, arguing ...

While SpaceX founder Elon Musk may be dead set on one day living on another planet, the firm's chief operating officer says ...

SpaceX has not announced a projected profile for the next Starship mission, but Musk said shortly after Flight 6 that the ...