Human beings altered one of the highest peaks in the Himalayas hundreds of years before a person ever set foot there, new research has found.

Every February 2, a weather-prognosticating groundhog in Pennsylvania tells us if we should expect 6 more weeks of winter or an early spring. Should we believe him? Phil's track record here.

Byrd received the prize from the American Astronomical Society, the largest organization of U.S. astronomers. The prizes are given for outstanding achievements in scientific research, education, scholarly writing, and service to the astronomical community.

According to the UK's Met Office, each decade from the 1980s has been successively warmer than all the decades that came before. 2019 concludes the warmest ‘cardinal’ decade (those spanning years ending 0-9) in records that stretch back to the mid-19th century.

The outlook for the bushfire situation in Australia continues to be grim. This post is an update via NASA, containing NOAA-NASA satellite images of actively burning fires and the resultant billowing smoke.

New observations reveal that - about a billion years ago - the center of our Milky Way galaxy underwent a period of intense star formation, resulting in over 100,000 supernovae.

Wow! This was a tough choice. Thank you to all who submitted photos in 2019! Here are a few of our favorites.

Hundreds of thousands of people from 112 countries helped select names for distant exoplanets and their stars. So, for example, the exoplanet formerly known as HAT-P-36b - about 1,000 light-years away - now also carries the name Bran, from an Irish legend.

NOAA’s 14th annual Arctic Report Card recounts the ways that climate change continued to alter the north polar region during 2019.

The 1st interstellar object - 1I/'Oumuamua - had already passed closest to our sun when astronomers first spotted it. So catching this 2nd one - 2I/Borisov - prior to perihelion was a big plus for astronomers! Before and after images here.