Researchers have found what might be a little red dot transitioning into its final state, where x-rays burst through its gas ...

Scientists using Juno report Jupiter is smaller than previously thought, enhancing understanding of its shape, interior density, gravitational field, and comparison to other gas giant planets ...

The James Webb Space Telescope has detected the most distant galaxy ever observed, MoM-z14, offering new insight into star formation and galaxy growth in the early universe ...

Historically, the brightest comets often become known as “Great Comets”. The Great Comet of 1965 – C/1965 S1 (Ikeya-Seki) – ...

NASA's Perseverance rover, launched in Florida, discovered bleached rocks on Mars, providing new evidence that the planet was ...

NASA's Perseverance rover discovered rocks on Mars, providing new evidence the red planet was once a wet, habitable world ...

“Textbooks will need to be updated,” study co-author Yohai Kaspi, a planetary scientist at the Weizmann Institute of Science in Israel, said in a statement. “The size of Jupiter hasn’t changed, of ...

Technical problems discovered during a pre-flight test have prompted NASA to postpone this important space mission.

Light is the fastest phenomenon in the universe, clocking in at just under 300,000 kilometers per second. The telescopes that observe that light, from radio waves to gamma rays, are built at rather ...

After pre-launch testing revealed rocket issues, NASA has delayed the Artemis II launch until March. Here's the latest.

NASA's Artemis II mission has been postponed to March after technical problems were identified during a wet dress rehearsal.

NASA, which has waited more than 50 years to launch another human moon mission, will wait at least another month. Here's the ...