NASA completes assembly of the Nancy Grace Roman Space Telescope. The observatory will enter final testing before launch, providing infrared surveys and cosmic data for astronomy research.

During a special observation run earlier this month, NASA’s TESS space telescope recorded the interstellar comet’s subtle glow and tail, adding to archived observations that may reveal clues about ...

A US energy company has canceled construction of a hydrogen production plant in Chile. Astronomers feared interference with ...

Earlier telescopes, including Hubble, revealed the Helix as a serene, eye-shaped glow. Webb presents a more intimate view, ...

The venture firm’s backers include founders of the VC firms Andreessen Horowitz and Ribbit Capital, as well as the fund of ...

NASA’s TESS spacecraft tracked interstellar comet 3I/ATLAS in January, capturing data on its motion, brightness, and rotation before it left the solar system ...

Beginning a little after 9:30 p.m. on Aug. 27, the eclipse will reach its peak at 11:12 p.m., when the greatest portion of ...

The Space Weather Follow On — Lagrange 1 executed its final engine burn Jan. 23 to reach its destination roughly 1.6 million ...

Mercury spill closes Sunspot Solar Observatory and nearby forest trails indefinitely, though officials say there is no public ...

Astronomers have spotted runaway black holes screaming through space, leaving trails of stars in in their wake.

Scientists watched a solar flare grow from tiny magnetic sparks into a violent plasma-raining avalanche on the Sun.