So I grabbed my camera, ran outside, and looked up just as Mars was supposed to emerge from the Moon's curved horizon. Seen ...

NASA's mission to send a spacecraft to scour Jupiter's moon Europa for signs of life appears back on track after Hurricane ...

The moon will pass closely by Jupiter this evening (Jan. 10), meeting up with the gas giant in the constellation Taurus.

Research and development is underway to create robots that can hunt for signs of life in the vast oceans that exist under the ...

"See To Believe uncovers the forgotten, mind-blowing facts that will leave you questioning everything. Follow wild stories of ...

The larger moons of Pluto and Earth likely formed through a collisional process with Charon and our moon, respectively, ...

Venus, Saturn, Jupiter and Mars are all visible after sunset, but social media claims about it being a rare "planetary ...

Mars will be making its closest approach to Earth in two years, and thus, the mighty red planet, named for the god of war ...

At this brightness, the moon will outshine the planet and appear larger in the night sky, given it is much closer to Earth than Jupiter, the fifth planet from the sun. Related: Night sky ...

Galileo Galilei's telescopic discovery of Jupiter's four moons in 1610 revolutionized astronomy and supported heliocentric ...

Sometimes, it's easy to forget that we're spoiled with one of the best observatories in our solar system, and it's called ...

Alignments of five or more planets are rare—there will be two more featuring five or more planets this year, but after that ...