Four planets visible to the naked eye are lining up across the western sky after sunset this week, and the window to see them at their best is closing fast. Venus, Mercury, Saturn, and Jupiter form a ...

Astronomy and commercial space are often portrayed as being on a collision course, yet their futures are deeply intertwined. As satellite constellations expand, astronomers raise concerns about trails ...

LHS 1903 is a small red M-dwarf star that is cooler and shines less brightly than our Sun. Scientists used telescopes in space and on Earth to discover four planets orbiting LHS 1903. With those ...

Astronomers have captured some of the most detailed images of debris discs—rings of leftover dust, gas, and rocks that circle a star—from fully formed, "teenage" planetary systems. And those images, ...

SunSketcher is an innovative program of eclipse observations that utilizes a network of smartphones along the path of totality to identify and geolocate the precise contact times via their definitive ...

On Dec. 8, 2025, the Purple Mountain Observatory in Nanjing, China published a paper in Astronomy and Astrophysics about the Lunar Time Ephemeris, or simply the LTE400, a software which is helping to ...

Eric and Wendy Schmidt are backing a start-up-like approach to building a giant space telescope and powerful ground observatories. By Kenneth Chang Kenneth Chang reported on the unveiling of Schmidt ...

From left to right, Science Division Dean Bryan Gaensler and Professors Enrico Ramirez-Ruiz and Connie Rockosi The American Astronomical Society (AAS) honored four scientists affiliated with the ...

If you enjoyed playing Astro's Playroom, which came pre-installed on PS5 consoles, this full-length adventure is sure to put a smile on your face during these winter months. It's one we absolutely ...

While most planets that we are familiar with stick relatively close to their host star in a predictable orbit, some planets seem to have been knocked out of their orbits, floating through space free ...