Earth moves 2 million miles closer to the sun from summer to winter, yet temperatures drop 40+ degrees. The answer lies in Earth's tilt.

Just as passengers don’t feel the plane’s speed while smoothly cruising, we don’t feel Earth’s movement because we’re ...

Space weather isn’t referring to rain clouds that float through the galaxy. Instead, it’s caused by massive explosions of ...

A recently observed object called 2025 PN7 was found orbiting near the Earth. The quasi-moon is expected to accompany our ...

Researchers are discussing 2025 PN7, a small celestial body that's following a similar orbital path to our planet's without ...

When Earth is opposite Mars from the sun, it will appear full because you’re looking directly on the daylit side. But mitigating this is its far greater distance, plus the fact that Earth appears much ...

Need a refresher about 3I/ATLAS? Here's everything to know about the interstellar object, including when the latest observations will be made.

Saturn will put on a show for professional and backyard astromers alike, and be the brightest and closest it has been to Earth all year. On Sunday, Sept. 21, Saturn will be at opposition, meaning the ...