New peer-reviewed research reporting strange lights in the pre-space-age sky is sparking curiosity and controversy ...

NASA's NICER telescope halts its mission after a key motor fails; engineers attempt to salvage eight years of space science.

From the balcony of his family’s downtown London, Ontario apartment, five-year-old Siddharth Patel would spend nights gazing ...

NASA’s James Webb Space Telescope has captured the first detailed look at a carbon-rich disk surrounding the exoplanet CT Cha ...

While scouring images from the James Webb Space Telescope, astronomers spotted Capotauro, "one of the most puzzling ...

Travel back 390 million years after the big bang to the ancient Maisie's Galaxy in this stunning 3D visualization that ...

Astronomers using NASA's Swift telescope detected water on interstellar comet 3I/ATLAS in a surprising location. Discover how ...

This turbulent cosmic pinnacle lies within a tempestuous stellar nursery called the Carina Nebula, located 7,500 light-years ...

As the third confirmed interstellar object to pass through our solar system, 3I/ATLAS is prime for new discoveries. It was ...

Astronomers have traced the 12-billion-year journey of interstellar comet 3I/ATLAS, believed to be the oldest comet ever ...

The universe doesn’t revolve around Kitt Peak, but the observatory southwest of Tucson is at the center of what could be the biggest breakthrough in the study of the cosmos in decades. Using an ...

Stargazers can see the Cold Moon on the evenings of Nov. 4 and 5, 2025, with peak illumination Nov. 5, according to the Old ...