Regulus, a distant star, Venus and our moon will be visible during a conjunction tonight, and how Californians can best see ...

On the side of the Sun facing Earth, a giant coronal hole appeared in the shape of an enormous love heart, many times the ...

Astronomers predict it will pass relatively close to four planets (but not Earth) and the Sun, then continue its cosmic journey. A Harvard professor made headlines theorizing our visitor is a ...

TRAPPIST-1e, 40 light-years away, may have an Earth-like atmosphere, raising hopes for habitability beyond our solar system.

Did you see the bright star next to the moon? That was Venus, and part of a conjunction between the moon, Venus and the star ...

Objects like 3I/ATLAS could become the "seeds" of giant planets after being captured in the discs of dust and gas surrounding ...

Hubble has captured a dense, burned-out star in the act of consuming a Pluto-like object. Happening some 260 light years from Earth, the new observation, published in the Monthly Notices of the Royal ...

Since astronomers found the first planets outside our solar system in 1992 and the first planet around a sunlike star in 1995 ...

The moon and Venus will shine vividly alongside a bright star in the early morning in a celestial rendezvous that should be visible across the U.S.

Scientists have found thousands of planets outside our solar system, called exoplanets, throughout the galaxy. This artist’s ...

The news: NASA's Perseverance rover had found potential signs of ancient microbial life on Mars. The discovery represents "the closest we have ever come to discovering life on Mars," NASA acting ...

Monday is the first day of Fall for us in the northern hemisphere. It is the first day where there will be more darkness than ...