NASA is racing to contact a lost probe that mysteriously lost contact over Mars in early December. The $582.5 million Maven ...

Here's how the astronomical phenomenon influences our planet—from the length of our seasons to the way Earth moves through space.

Low-Earth orbit is more crowded—and fragile—than it looks. Satellites constantly weave past each other, burning fuel and ...

Comet C/2023 P1, Nishimura visible from Earth. Credit: NASA/JPL-Caltech | edited by Space.com ...

The object dubbed Earth's "second moon" is actually a quasi-satellite that's accompanied the planet since 1957 — not a true ...

The space rock is hurtling through our cosmic backyard at a zippy 26,200 miles per hour, according to the space agency.

Despite its small size, Mars seems to have a huge impact on the orbital cycles that govern Earth’s climate, especially those ...

"Without Mars, Earth's orbit would be missing major climate cycles. What would humans and other animals even look like if ...

MORE airlines have joined the rush to offer passengers free WiFi. They’re following JetBlue’s deal with Amazon and United ...

NORFOLK, Va. — The earth’s journey around the Sun is not a perfect circle. Instead, our planet follows a slightly oval-shaped path called an ellipse, meaning our distance from the Sun changes ...

When my colleagues and I send them out to explore our solar system, it's important for us to understand the 3D map of our ...

Earth reaches its closest point to the sun in its 2026 orbit on Jan. 3. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The sun will appear ...