Dark matter is more than five times as abundant as all the visible matter in the universe. So why can't we see any of it?

Multiple space agencies will send missions to the moon this decade and the next, with plans to establish infrastructure that ...

The changes align with a desire that was reflected in the Trump administration's "skinny budget" proposal for NASA, released ...

Dark matter is hypothesized to make up about 27% ... The researchers studied observations of the Sun’s emission made by NASA’s Parker Space Probe, a satellite orbiting the Sun in its outer ...

But when scientists peer very far back, they find conundrums. JWST observations of the distant past are at odds with ...

Scientists have been arguing about the origin of strange streaks on Mars since the earliest missions to the Red Planet.

A new NASA mission to map the solar wind has returned some of its first images from its position in low Earth orbit.

The full moon is an ethereal lantern dancing with Earth in NASA astronaut Nichole Ayers' snapshots from the International Space Station.

On what might have been the proudest day of Jack Burns’s long career in astronomy, he was sitting on a beach. Orbital ...

JWST has detected the earliest galaxies in the universe, but some look “more mature” than expected. Is it time to rethink how ...

NASA's Cold Atom Lab (CAL), a first-of-its ... Precise measurements of gravity could also offer insights into the nature of dark matter and dark energy, two major cosmological mysteries.