For more than sixty years, a tiny asteroid has been moving in step with Earth, hidden from view until recently. Astronomers ...

The total number of quasi-satellites of our planet has gone up by one. There are now 8 small asteroids going around the Sun ...

Two NOAA satellites saw a solar eclipse on Sept. 7 as the moon blocked out the sun mere hours before a lunar eclipse was seen ...

Earth asteroid lurked undetected for decades until a telescope in Hawaii spotted it earlier this year. It may be Earth's ...

Aside from 2025 PN7, there are 7 other quasi-moons, according to the Planetary Society, which they refer to as “a gravitational sleight of hand.” From our terrestrial point of view, they may appear to ...

To study the sun, scientists use a specialized telescope called a coronagraph. This instrument mimics a solar eclipse by ...

A satellite the size of a microwave oven successfully broke free from its orbit around Earth and is headed toward the moon. It's the latest step in NASA's plan to land astronauts on the lunar surface ...

Learn more about tides and tidal bulge, and how they’re contributing to the moon drifting away.

Saturn will put on a show for professional and backyard astromers alike, and be the brightest and closest it has been to ...