Analysis of an ancient Martian meteorite reveals that organic molecules within it were formed by geologic processes rather than alien life.
Kepler 1708 b i, a newly discovered candidate for an exoplanet moon, has a radius about 2.6 times that of Earth, a new study suggests.
Experiments show that rocks exposed to higher concentrations of oxygen have a lower melting temperature than rocks exposed to lower amounts.
A brilliant outburst of light that has lasted nearly a century arose when two young stars skirted past each other, simulations suggest.
The celebrated plumes of Saturn’s moon Enceladus could come from pockets of watery mush in the moon’s icy shell, simulations suggest.
These are some of the fun science stories from this year that we couldn’t wait to talk about with friends.
This year, a bevy of new missions got under way on Mars and spacecraft prepared to visit asteroids.
Discoveries in 2021, from hidden subatomic particles to the oldest animal fossils, could shake up science. But more evidence is needed to confirm them.
NASA’s Parker Solar Probe crossed a boundary between the sun’s atmosphere and interplanetary space that has been predicted for decades but never observed.