Sep. 13, 2024 — Physicists propose that a mysterious force known as early dark energy could solve two of the biggest puzzles in cosmology and fill in some major gaps in our understanding of how ...

The threshold between one season and another, between one moment and the next, between one way of being and the next one: ...

Though the autumnal equinox is Sunday, marking the astronomical start of fall, Chicago-area residents wouldn't know without ...

It's almost time to fall into fall, though in many parts of the country, it feels like we're already there. There are ...

But some events that might be described as "astronomically awesome" if not fully astronomical are also known for adding ...

Superior: Learn the basics of astronomy 9-10:30 p.m. at Festival Park Barker's Island with experts from Starry Skies North, DarkSky Wisconsin and the Arrowhead Astronomical Society. Solon Springs: Our ...

The Mayans were one of the most advanced ancient civilizations in terms of scientific advancements. Their crown jewel was the ...

Supermoon and lunar eclipse. The night between Tuesday, September 17 and Wednesday, September 18 will offer a spectacle in ...

During an equinox, places around the globe experience nearly equal amounts of daytime and nighttime. The second occurrence ...

Note: Moon phases in the calendar vary in size due to the distance from Earth and are shown at 0h Universal Time. Credit: Astronomy: Roen Kelly The moonrise and moonset schedule this week The ...

Meteorological autumn began on Sept. 1, but astronomical autumn, also known as calendar autumn or the autumnal equinox, is on ...