There are about 15,000 satellites orbiting Earth. Most of them, like the International Space Station and the Hubble Telescope ...

Comet 3I/ATLAS makes closest approach to Earth, 170 million miles away, offering rare insights into interstellar space and ...

Scientists using the James Webb telescope observed a distant exoplanet with an atmosphere of soot and diamonds, challenging ...

The year’s most memorable moments from astronomy and space exploration include a double-detonating supernova, a private moon ...

Radio astronomy has a pollution problem. Satellites thousands of kilometers overhead, designed to broadcast communications or relay data, are increasingly contaminating the frequencies astronomers use ...

NASA reported 2025 achievements in lunar, Mars, and Earth science missions, including Artemis II preparations, CLPS landers, Mars ESCAPADE, ISS research, heliophysics, and new astronaut candidates.

On Nov. 2, 2000, the crew of NASA’s Expedition 1 opened the hatch to the International Space Station, which was the beginning of 25 years of continuous human presence in space. The crew of Expedition ...

More studies are needed to determine whether TRAPPIST-1e has an atmosphere at all, or the hints of methane are linked to the host star.

Building on long-standing cooperation and strong partnership with the United States, Poland is working to become a major ...

At 2:23 am Eastern time on March 19, 2025, an astronaut aboard the International Space station (ISS) captured a striking ...