Astrophotography has shifted from a niche pursuit to a mainstream hobby, and the telescope you choose now matters as much as ...

Some of the darkest objects in the universe are also among its brightest beacons, lighting up entire galaxies while their ...

When a faint green smudge appeared in images from a backyard telescope in Aguadilla, Puerto Rico, on Nov. 22, 2025, astronomers did not expect it to upend basic assumptions about how comets work. Yet ...

David Schechter is a national environmental correspondent and the host of "On the Dot with David Schechter," a guided journey to explore how we're changing the earth and earth is changing us. Aparna ...

Harvard's Avi Loeb suggests 3I/ATLAS is alien tech due to its anomalous jets. Shockingly, a 300 BC Chinese star map may have ...

NASA needed an earthbound location for following up the exoplanet discoveries of its orbiting telescopes just when the National Science Foundation was looking to unload its share of the WIYN Telescope ...

Find out what's up in your night sky during December 2025 and how to see it in this Space.com stargazing guide. Looking for a telescope for the next night sky event? We recommend the Celestron ...

Charge sharing (CS) between pixels is a significant concern in X-ray spectroscopy detectors based on monolithic arrays of silicon drift detectors (SDDs) when a photon is absorbed near a pixel edge.