An international team used 40 years' worth of data from two space probes to track down what they believe are signs of this ...

For decades, scientists believed Vesta, one of the largest objects in our solar system's asteroid belt, wasn't just an ...

The dwarf galaxies surrounding Andromeda, the closest galaxy to our own, have an extremely strange distribution that's ...

The Solar System consists of our star, the Sun, and everything bound to it by gravity; the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune, along with dwarf planets like ...

Carbon-containing meteorites look like they had less severe impacts than those without carbon because the evidence was blasted into space by gases produced during the impact. The discovery not only ...

Pluto was discovered in 1930 in Arizona, but in 2006 scientists decided to cut Pluto from the planetary line up. Here is why ...

A new study released on Thursday describes a search for what are called "microlensing" events, where a planet acts as a ...

"This measurement of the planet population from planets somewhat larger than Earth all the way to the size of Jupiter and ...

Scientists know of over a dozen planets that orbit twin stars like the fictional "Star Wars" desert planet Tatooine. More ...

K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know ...

In a memorable image from the 1977 film "Star Wars," the young hero Luke Skywalker gazes at two suns setting above the ...