Discovered on July 1 by the NASA-funded ATLAS telescope in Chile, 3I/ATLAS is only the third confirmed visitor from another ...

The Hubble Space Telescope has turned its sharp eye toward a ghostly swirl of stars and gas known as the "Lost Galaxy," given ...

A Star Trek–inspired idea by Miguel Alcubierre kicked off decades of theory and experiments as scientists pursue plausible ...

Astronomers have long been concerned about reflections from satellites showing up in images taken by telescopes and other ...

A newly proposed type of supermassive black hole surrounded by a dense gas shell may account for the small red dots seen in ...

An international team of astronomers, led by SRON, has observed a sudden outburst of matter near the supermassive black hole ...

Almost every image that will be taken by future space observatories in low-Earth orbit could be tainted due to light contamination from satellites. That is according to a new analysis from researchers ...

A NASA study predicts that 96% of the images from the ARRAKIHS mission will be contaminated by the light from the more than ...

NASA's report, published in Nature, predicts that around 40% of all Hubble images will have at least one satellite streak in ...

All 88 internationally recognised constellations have European origins. But First Nations astronomy tells older, beautiful ...

As a cold pour hits the glass at The Sycamore in the Mission District, chatter rises, lights dim slightly, and Astronomy on ...