An asteroid, also known as the Chicxulub Impactor, hit Earth some 66 million years ago, causing a crater 180 km wide. The impact of the asteroid heated organic matter in rocks and ejected it into the atmosphere, forming soot in the stratosphere. Soot is a strong, light-absorbing aerosol that caused global climate changes that triggered […]
WASHINGTON D.C. — The Chicxulub asteroid impact that wiped out the dinosaurs likely released far more climate-altering sulfur gas into the atmosphere than originally thought, according to new research. A new study makes a more refined estimate of how much sulfur and carbon dioxide gas were ejected into Earth’s atmosphere from vaporized rocks immediately after the […]
Juneau – The Northwest Commission on Colleges and Universities (NWCCU) has approved the UAS-UAF Joint Bachelor of Science in Fisheries and Ocean Sciences with a concentration in Fisheries Science. The new degree is aimed at increasing the number of students who earn an undergraduate fisheries degree in Alaska, and are prepared to work in fisheries […]
Researchers have pinpointed the date of what could be the oldest solar eclipse yet recorded. The event, which occurred on 30 October 1207 BC, is mentioned in the Bible and could have consequences for the chronology of the ancient world. Using a combination of the biblical text and an ancient Egyptian text, the researchers were […]