Radioactive decay produced a warm internal ocean Dwarf planet Ceres, the unpleasant lump of icy rock orbiting between Mars ...

Scientists may have found the first planet ever detected around our closest “solar twin,” a star called Alpha Centauri A, the ...

More than 5,000 planets have been discovered beyond our solar system, allowing scientists to explore planetary evolution and ...

Boost your brainpower with our timed memory game. Flip tiles, race against the clock, and see how sharp your recall skills ...

Stargazers are in for a treat as six planets align in the Northeast Wisconsin morning sky, accompanied by the ongoing Perseid ...

Targeted SETI approach listens for alien radio 'spillover' during planetary alignments, using Earth's deep space ...

Astronomers using the James Webb Space Telescope have found an unknown moon orbiting Uranus, bringing the planet’s total to ...

For weeks, Elena Adams has been leading her team at the Applied Physics Laboratory (APL) in Laurel, Maryland, through ...

Astronomers have picked up evidence of an Earth-sized world, distinct from the previously hypothesised Planet Nine and Planet X, that might be warping the orbits of objects beyond Neptune ...

If you’re feeling on the precipice of a great change: you’re right on time. On the 28th, Neptune—planet of idealism—forms a ...

A Saturn-sized planet circling a tiny red dwarf is rewriting what scientists thought was possible in planetary systems.

Enough fooling around. You’d like to see something amazing. A celestial spectacle that doesn’t require a telescope or star chart.