Astronomers recently detected a stray quasi-moon in our planet’s orbit, but it's hardly the first stowaway to hang out around ...

Modern astronomy is giving us unprecedented views of the asteroids, comets, and other small bodies that litter our cosmic ...

In the 1960s, when the possibility of an asteroid impact alarmed the American public for the first time, MIT students drafted ...

It's been one Neptunian year—or about 165 Earth years—since astronomers first observed the most distant planet from the sun.

As NASA prepared astronauts for its second mission into space, National Geographic had exclusive behind-the-scenes access for ...

Stars and planets are lining up for the change of seasons during the Northern Hemisphere's autumnal equinox this year.

Small, battery-powered planes are on the way. But building large, zero-emission airliners is a daunting challenge.

Ensuring healthy diets for an expected global population of nearly 10 billion people in 2050, while at the same time improving the world those people live in, will require sweeping changes to farming ...

A mesmerising time-lapse clip that swept across X (formerly Twitter) and Instagram, purporting to depict the interstellar object 3I/ATLAS hurtling through space, has been definitively exposed as a ...

A retro-futuristic space truck. A nimble crustacean on wheels. A space-age dune buggy. One will win a multibillion-dollar ...

Rare outreach from China's space agency marks a breakthrough in global space traffic management. China recently reached out to NASA over a maneuver to prevent a possible collision between satellites, ...