Mars didn’t always look like the barren world we see today. Over billions of years, the Sun’s solar wind stripped away much of its atmosphere, helping transform it from a warmer, wetter planet into a ...

Apollo astronauts reached speeds exceeding 24,000 miles per hour on their way to the Moon, driven by a rocket that remains the most powerful ever flown. The Saturn V, standing 363 feet tall and ...

"This milestone essentially marks the birth of our flight system." ...

So, it came as a shock to many people when, in 1781, it was announced that a seventh planet, the first to be discovered since ...

In our solar system, Jupiter is the undisputed king. If you added more mass to Jupiter, it wouldn’t actually get much bigger ...

While the crew of Apollo 9 was still orbiting Earth on this day in 1969, preparations were already underway on the ground for the next critical step in the race to the Moon.

Scientists simulated an asteroid impact, and Deinococcus radiodurans’ cell membranes made it through. This suggests that life ...

Skywatchers across the U.S. will have a chance to witness the rare planetary conjunction of Venus and Saturn tonight.

Published in January by Random House Worlds, "Detour" is the new mystery sci-fi novel from veteran TV writer Jeff Rake ("Manifest") and bestselling author Rob Hart ("The Warehouse ...

Stargazers in Thailand are being encouraged to look towards the western horizon shortly after sunset on Sunday as Venus and Saturn appear just 1° apart in a rare evening conjunction.