Space looks very dark from Earth. But does the solar system, and the universe for that matter, have an area that's the ...

How fast and in which direction is our solar system moving through the universe? This seemingly simple question is one of the ...

In 1949, famed mathematician and physicist John von Neumann delivered a series of addresses at the University of Illinois, ...

Interstellar comet 3I/ATLAS, only the third of its kind ever detected, is speeding away from the Sun. Here's how to watch its ...

Once hailed as a national model for clean energy, the Napa Valley College solar field quietly shut down after 15 years.

For many, space travel is unrealistic – spaceships are expensive, and interplanetary exploration doesn’t fit in with a 9-to-5 ...

Water isn't just delivered to planets by comets and asteroids — it can also be forged as worlds form, a new study finds.

Do rooftop solar panels sound like a good deal? They could very well be, assuming you consider all the pros and cons before ...

Having made its closest approach to the sun on Wednesday October 29, comet 3I/ATLAS will soon be visible from Earth ...

The object, estimated to be the size of a city block, is only the third known interstellar visitor to our solar system since ...

For the first time, astronomers say they have spotted a giant explosion released by a star beyond our solar system. The ...