Discover the magic of Buenos Aires, from its vibrant tango scene and historic cafes to the world-class wineries of nearby ...

The equinox marks the arrival of fall in the Northern Hemisphere on Sept. 22. Are you ready for fall? The official arrival of fall is the autumnal equinox, which occurs in the Northern Hemisphere on ...

You still may be able to spot the Milky Way's galactic center in the night sky across the US, but time is running out.

A remarkable fossil in the National Museum of Natural History’s collection reveals that the ancestors of modern flightless ...

The Carruthers Geocorona Observatory is the first mission focused on studying changes in the exosphere, the Earth’s outermost ...

The discovery in Ecuador of multiple pieces of insect-bearing amber —112 millions of years old—has opened a window to the secrets of a prehistoric forest. At this time, during the Cretaceous era, ...

With the end of summer approaching in the Northern Hemisphere, the extent of sea ice in the Arctic shrank to its annual minimum on Sept. 10, according to NASA and the National Snow and Ice Data Center ...

The moon and Venus will shine vividly alongside a bright star in the early morning in a celestial rendezvous that should be ...

Fall equinox 2025 arrives on Monday 22. Find out why the first day of autumn still features a little more daylight than ...

Every day leading up to and following the autumn equinox, California loses roughly 2 minutes and 30 seconds of sunlight, according to Time and Date, an online global clock. California will experience ...

Cool nights and crisp mornings have teased Northeast Ohio with “false fall” for weeks, but the real thing doesn’t arrive ...