We live in a world defined by inches, feet and miles (or centimeters, meters and kilometers, if you prefer), and it’s not difficult for most of us to ...

What if Venus became Earth's moon? Explore how our planet would change if Earth’s twin, a planet almost the same size and gravity,suddenly started orbiting us. Venus is no ordinary planet. With ...

Watch the epic view of the moon and Earth captured by the Orion spacecraft ahead of its outbound powered flyby. Credit: NASA ...

With the Moon and beyond squarely in its sights, Lunar Outpost is ready to bring the LTV to deep space sooner rather than ...

More than $10 billion in funds are included in Trump’s tax and spending bill for NASA programs previously targeted by the ...

To get a glimpse of the “Swift Planet,” EarthSky suggests waiting for the sun to set before looking west for the planet ...

China has conducted two spacewalks from its Tiangong space station in as many months and is advancing on its lunar ...

Dennis Mammana Stargazers We live in a world defined by inches, feet and miles (or centimeters, meters and kilometers, if you prefer), and it’s not difficult for most of us to comprehend sizes and ...

The landscape is stark, dark and dramatic, formed by a series of eruptions in the last 16,000 years that have stacked layer ...

James is a published author with four pop-history and science books to his name. He specializes in history, strange science, ...

YR4 won’t hit Earth, but a 4% chance remains for a lunar impact. ESA's upcoming NEOMIR telescope could revolutionize early ...

Astronaut Shubhanshu "Shaks" Shukla, who is on the International Space Station (ISS) under Axiom Mission 4 (Ax-4), has ...