Astronomers have discovered four planets that are just a fraction of the mass of Earth orbiting Barnard’s Star, which is 6 ...

The Moon does not make its own light like a star. The Moon appears bright because it reflects light from the Sun. Like the Earth, half of the Moon faces towards the Sun, and half faces away from it.

On March 29, the Moon will wedge itself between the Sun and Earth, blocking only a part of the star from our view.

Astronomers suspect the planet is tidally locked to its star, like the moon is to Earth. A single dayside always ...

Barnard's Star is a small, dim star of the type that astronomers call red dwarfs. Consequently, even though it is one of the ...

The orbit Venus takes around the sun results in an inferior conjunction as it transitions from appearing in the evening sky ...

These interesting objects are born from once-large stars that grew to four to eight times the size of our own sun before exploding ... one hundred million tons on Earth. A neutron star's almost ...

Deaths of nearby massive stars may have played a significant role in triggering at least two mass extinction events in ...

NEW YORK (AP) — Venus will pass between the Earth and sun on Saturday during what’s called an inferior conjunction. But don’t ...

New research suggests that life could have the time and energy to arise on Earth-like worlds in the rapidly shrinking ...