Copernicus proved the Earth and other planets orbit the sun, challenging centuries of belief and risking persecution for sharing his heliocentric view.

Spinning Out in Style ...

The newly discovered asteroid is expected to tag along on the Earth's path around the sun for another 60 years.

Astronomers are buzzing over 3I/ATLAS, a mysterious object hurtling through our solar system, and a new theory claims it can create planets.

If you're in the right plane, can you start out in daylight and circle the Earth without ever seeing darkness? Sure, you can ... but you'll need plenty of fuel.

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

Would you guess that the Earth is spinning at 1,000 mph around its axis and at the same time hurtling through space on its ...

Asteroid 2024 PT5 is considered Earth's mini-moon and may be a key target for potential asteroid mining operations.

About 4.6 billion years ago, our corner of space was basically just a boring cloud of gas and dust floating […] ...

The sun is in its most active phase—solar summer—causing auroras and posing real risks to satellites, GPS, and power systems ...

The merger of two black holes is a momentous event, revealing the wildest and most extreme configurations of space, time and gravity known to science.Researchers have now gotten their best look yet at ...

Saturn is about to make its closest approach to Earth, and that means you might be able to see its rings — if you have a telescope, that is.