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 ...

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

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 ...

NASA's Psyche captured images of Earth and our Moon from about 180 million miles (290 kilometers) away in July 2025. NASA/JPL-Caltech/ASU The Psyche spacecraft is on a six-year journey to reach a ...

Three celestial bodies are preparing to meet up for one night in September in a cosmic conjunction that should be widely ...

On Sept. 21-22, a partial solar eclipse will see the moon sweep over the sun's disk, blocking its light over a swathe of the ...

Over 4.6 billion years ago, Earth took shape from a spinning cloud of dust and gas surrounding the young sun. Tiny particles within this cloud collided and clumped together, driven by gravity and ...