NASA's SPHEREx observatory undergoes testing at BAE Systems in Boulder, Colorado, in August 2024. Launching no earlier than Feb. 27 ...

The 2025 US stamps offer up a lot of familiar faces, among them Betty White. We’ll always miss her.

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Using the Hubble Space Telescope (HST), astronomers from the University of California Santa Cruz (UCSC) and elsewhere have ...

For optical astronomy, the space station will be accompanied by the Xuntian telescope, which can be translated to “survey the ...

The Arctic’s Last Ice Area, vital for ice-dependent species, may vanish within a decade due to rapid warming, urging urgent ...

Scientists used NASA’s James Webb Space Telescope to examine select star-forming areas in the Extreme Outer Galaxy in near- ...

Scientists have created over a million simulated cosmic images using the power of supercomputers to anticipate the capabilities of NASA’s upcoming Roman Space Telescope. These synthetic images allow ...

Saturn’s rings, imaged here by NASA’s Cassini orbiter, are one of the solar system’s most reliably spectacular sights. But ...

While Charon is currently listed as a satellite or moon by the International Astronomical Union (IAU), consideration is being given to it perhaps being classified as a dwarf planet in its own right, ...

The Hubble Space Telescope completes a high-resolution portrait of our galaxy's gorgeous neighbor, which will help scientists better understand our Milky Way.