As twilight deepens the week of November 24 to 28, the waxing crescent moon appears in the south to southwest, above the setting Teapot asterism.

For years, we’ve been told that black holes are the ultimate cosmic vacuum cleaners. Once something crosses its event horizon ...

An expanding universe complicates this picture just a little bit, because the universe absolutely refuses to be ...

A striking reality faces modern cosmology: two of the most advanced telescopes ever built now agree on a result that the standard cosmological model cannot explain. Webb’s confirmation of the Hubble ...

May 20, 2024 (Santa Ysabel) – The world has lost a creative giant. Visionary artist and internationally acclaimed architect James Hubbell passed away on May 17 in Chula Vista at age 92, surrounded by ...

Astronomers are baffled after new JWST data shows interstellar comet 3I/ATLAS is 'not as pure as thought', featuring a thick 'irradiated crust' from 7 billion years of cosmic radiation damage.

Abstract: In the context of infinite-horizon general-sum linear quadratic (LQ) games, the convergence of gradient descent remains a significant yet not completely understood issue. While the ...