Astronomers have slammed SpaceX and Reflect Orbital plans for unnaturally brightening skies and disrupting ecosystems.

While meteors of this size enter Earth's atmosphere two to three times each year, the odds of them passing over a ...

Astronomers have uncovered evidence of a dramatic cosmic crash unfolding around a distant star. While reviewing archived ...

Despite years of debate and follow-up studies, an odd streak of cosmic light still defies a final explanation. Is it a giant ...

The Vera C. Rubin Observatory has started releasing its first discoveries: including supernovae, variable stars and asteroids ...

When Ukrainian forces retook the site of the Braude Radio Astronomy Observatory in September 2022 after forcing a Russian retreat, they found the facility still stood—but barely. Collapsed roofs, ...

Astronomers have discovered the brightest fast radio burst ever detected and traced it to a nearby galaxy using a new network of CHIME Outrigger telescopes. The flash, nicknamed RBFLOAT, lasted only a ...

So, it came as a shock to many people when, in 1781, it was announced that a seventh planet, the first to be discovered since ...

Science in the modern era is increasingly reliant on enormous datasets and automated analysis. In astronomy, the Vera C. Rubin Observatory's Legacy Survey of Space and Time (LSST)—a ten-year survey ...

Astronomy professor Karin Öberg will serve as Harvard’s next senior vice provost for faculty, coordinating faculty ...

SpaceX's plan to launch one million orbiting data centers to space worries astronomers, who say the satellite streaks caused by the proposed constellation would severely impair observations.

A mysterious bow shock around the white dwarf RXJ0528+2838 is challenging astronomers’ understanding of how dead stars ...