Ice sheets, and not rushing rivers, sculpted many Martian valleys, according to scientists. The new research…

In preparation for the upcoming Perseverance mission to Mars, astrobiologists performed a dry run to see if the new r…

Observations from the Hubble Space Telescope point to the presence of sodium chloride on the surface of Jupiter’s…

Globular clusters are among the most fascinating celestial phenomena in the galaxy, packing a hideous amount of…

Using data collected by NASA’s late-great Cassini space probe, scientists have detected traces of complex organic…

There are eight planets in our Solar System (sorry Pluto), but collectively, these planets host over 175 moons, one…

Jupiter’s moon Europa features a warm subterranean ocean covered in ice. For years, scientists have wondered if…

Astronomer Abel Méndez‏ from the Planetary Habitability Laboratory at the University of Puerto Rico has put together…

If you were to fly over Enceladus’ southernmost regions, you’d witness a remarkable sight. With surprising…

From the moment that seven Earth-sized planets were discovered in orbit around TRAPPIST-1—an ultracool dwarf star…

It’s nothing to lose sleep over—really, I promise—but Earth’s atmosphere is leaking oxygen. Atmospheric oxygen…

If you could hop in a time-traveling spacecraft, go back three billion years and land any place in our solar system,…

Since the 1960s, the Drake Equation has been used to predict how many communicative extraterrestrial civilizations…

Red dwarfs are the most common type of star in the galaxy. But new research suggests that life within these systems…

If a massive solar storm struck the Earth today, it could wipe out our technology and hurl us back to the dark ages.…

In a few billion years, the oceans will boil away and the atmosphere will burn up as our sun expands into a red…

A new computer simulation shows that alien worlds with super salty oceans may be even more hospitable to life than…

We have yet to discover a single trace of alien life, despite the extremely high probability that it exists…

Jupiter, that blustery ball of noxious gas, is probably the last place that comes to mind when you hear the words…

An important chapter in our exploration of the solar system concludes tomorrow, when NASA’s Cassini probe makes its…