At the International Space Station for months longer than planned, Butch Wilmore and Sunita Williams focused on scientific ...

takes just 88 Earth days to complete one orbit. On the other hand, Neptune, the farthest planet from the sun, takes about 165 Earth years! These varying revolution times are due to each planet's ...

Wondering why February is so short? What's a leap year or when? Here's why leap year is every four years and when's the next one.

Earth's history is a roller-coaster of climate fluctuations, of relative warmth giving way to frozen periods of glaciation ...

Earth emerged from the last ice age around 11,700 years ago. A new analysis suggests the next one could be expected in 10,000 ...

The chances of asteroid 2024 YR4 colliding with Earth in 2032 hit a record high. Experts expect the risk percentage to fluctuate before likely dropping to zero. Here’s why.

Scientists have predicted future glacial periods by matching Earth's past ice ages to its orbit around the sun. But their new ...

Chances an asteroid may hit Earth in 2032 dropped to near zero, astronomers say. Here's what to know about 2024 YR4.

The Blue Ghost lunar lander, managed by Texas company Firefly Aerospace, touched down Sunday morning on the moon's near side.

While the U.S. Space Force, and its previous operator the U.S. Air Force, have been tightlipped about what the space plane ...