Astronomers have discovered the raw ingredients of planets orbiting two infant stars, offering a glimpse into how new worlds ...

Representative Anna Paulina Luna (R-FL) is chair of that task force, swearing in witnesses that under oath discussed their ...

The odds for life existing on other planets has just skyrocketed after a NASA rover unearthed new evidence on Mars. The odds ...

Federal funding is about to run out for 19 active space missions studying Earth's climate, exploring the Solar System, and probing mysteries of the Universe.

Scientists believe intriguing leopard spots on a rock sampled by the Perseverance rover on Mars last year may have ...

“This finding by Perseverance …is the closest we have ever come to discovering life on Mars,” said acting NASA administrator ...

Ancient organisms may have left microscopic "biosignatures" on Mars. That's according to NASA scientists, who say a rock sample offers the most concrete proof yet that the red planet once hosted life.

Alex Dalenberg is a reporter for the Arizona Daily Wildcat, the leading news source for the University of Arizona. This article was brought to CNN.com by UWIRE, the leading provider of ...

NASA’s Perseverance rover found possible signs of ancient life in rocks on Mars, keeping scientists up at night.