In the next decade, space agencies will expand the search for extraterrestrial life beyond Mars, where all of our astrobiology…
NASA's Perseverance rover is busy exploring the Martian surface and collecting samples for eventual return to Earth. But the rover…
Scientists are discovering that more and more Solar System objects have warm oceans under icy shells. The moons Enceladus and…
Astronomers have found three new moons orbiting our Solar System's ice giants. One is orbiting Uranus, and two are orbiting…
Ask any astronomer, and they will tell you that all of the planets in the Solar System (including those "dwarf…
Do exoplanets have exomoons? It would be extraordinary if they didn't, but as with all things, we don't know until…
For a long time, we wondered if other stars hosted planets like the Sun does. Finally, in the 1990s, we…
Nature doesn't conform to our ideas of neatly-contained categories. Many things in nature blur the lines we try to draw…
Jupiter's Io stands apart from the Solar System's other moons, with its numerous volcanoes and its surface dominated by lava…
Jupiter's ocean moons capture most of our attention because of their potential habitability. But Io, Jupiter's bad-boy volcanic moon, is…