To get somewhere in outer space, you can’t exactly drive in a straight line. Orbits are tricky things, and sending a probe to ...

Feb. 18 marks the 95th anniversary of the discovery of our outermost planet-not-planet. Here's what to know about the short ...

Comet ATLAS (C/2024 G3) came within 8.3 million miles of the sun on January 13 as it reached its perihelion, and is now disintegrating.

On the 95th anniversary of its discovery, Pluto remains one of the most beloved and enigmatic worlds in our solar system, ...

The Western Military Academy's pond in Alton, active from 1879 to 1971, was a cherished ice-skating location in 1942.

The C/2024 G3 (ATLAS) comet, which was discovered early last year, reached the point in its orbit where it’s nearest ... summit of kunanyi/Mt Wellington. Picture: Scott Glynn Scott Glynn snapped ...

It's the wobbling star that has betrayed the existence of HD 20794d — astronomers have not directly observed HD 20794d, nor taken a picture ... and Mercury's is 0.206. HD 20794d's orbit is ...

The zodiacal light shines in the evening as the Moon reaches Last Quarter and skims past Spica and Antares in the sky this ...

Mercury, capturing some incredible images of the tiny world. The photos offer tantalizing hints about some of the mysteries BepiColombo will investigate when it moves into orbit around the planet ...

Neil Armstrong was appreciative, but it was too late. The Apollo 11 crew had a design for the first moon landing. Armstrong's ...

The moon reaches its farthest point from Earth tonight, known as apogee, making it appear ever so slightly smaller in the night sky.