From new exoplanetary neighbors and a weakening dark energy to the best evidence for life on Mars and an interstellar comet ...

NEW YORK (AP) — NASA is cutting a mission aboard the International Space Station short after an astronaut had a medical issue. The space agency said Thursday the U.S.-Japanese-Russian crew of four ...

The 26-foot-tall (8-meter-tall) cargo lander is expected to embark on its first flight during the first quarter of 2026, ...

From signs of life on Mars to an interstellar visitor and weakening dark energy, 2025 reshaped space science, raising the ...

A lucky alignment of space- and ground-based telescopes has enabled researchers to nail down the mass of a rogue planet for the first time. Unlike worlds in our Solar System, rogue planets do not ...

China’s upcoming Chang’e-7 mission is poised to reshape the geopolitical and scientific landscape of lunar exploration. This ...

Saturn is on display in the early-evening sky this month along with Uranus and Neptune, both within reach of binoculars.

NASA’s Gateway is coming to life with a solar-powered spacecraft built to light it up—and move it around the Moon.

Which way is ‘down’ has a different answer depending on where you are on Earth, in the solar system, in our galaxy and beyond ...

"Awards like these are a critical component of our incubator program for future missions, which combines government ...

Among other things, the James Webb Space Telescope is designed to get us closer to finding habitable worlds around faraway ...

A new NASA spacecraft called Pandora is awaiting launch ahead of its journey to study the atmospheres of exoplanets, or ...