The sun has produced stunning auroras on Earth in recent years as solar activity has peaked—but expect more in coming years ...

Researchers discovered Eos, a molecular cloud, using ultraviolet light. It is near Earth and lacks carbon monoxide. This ...

Researchers say they found a curious dot on infrared images taken 23 years apart that seems to be moving in a manner consistent with a large, distant planet.

At the time, the Earth would have been far closer to the moon than it is today, making it perhaps twice as large in the lunar ...

If you want solar power, you usually have to make a choice. You can put a solar panel in a fixed location and accept that it ...

Elon Musk is taking the long view. The billionaire SpaceX founder has long said that humanity needs to expand its footprint out into the solar system — specifically to Mars, which is the most suitable ...

Discovered in 1930, Pluto was long considered our Solar System's ninth planet, but was unseated in 2006 after the discovery ...

Solar-powered public transport is just the start—embracing circular economy principles ensures a truly sustainable system ...

After initial positioning by ground control, the satellite duo’s autonomous system of cameras, LEDs, and laser rangefinders ...

the candidate signal’s orbit would be tilted roughly 120 degrees from the plane of the solar system, meaning it would actually orbit the Sun in the opposite direction than the other eight planets.

The idea that our Solar System is representative of other solar systems hasn't survived the age of exoplanet discovery.