(Phys.org) —A period of rapid, intense cooling, known as the Younger Dryas, took place about 13,000 years ago. Scientists think this sudden change in climate caused the extinction of many large mammals, such as the mammoth, ...
New research published today in the Journal of Vertebrate Paleontology describes a fossil family that illuminates the origin of perissodactyls—the group of mammals that includes horses, rhinos and tapirs. It provides insights ...
Paleontology & Fossils
Nov 6, 2020
1
427
The solar system has eight planets. In 2006, astronomers reclassified Pluto as a dwarf planet, the same class that contains Eris, Sedna, Quaoar, Ceres and perhaps many more solar system small bodies. These are defined approximately ...
Astronomy
Mar 14, 2022
5
815
A new model of the Sun's solar cycle is producing unprecedentedly accurate predictions of irregularities within the Sun's 11-year heartbeat. The model draws on dynamo effects in two layers of the Sun, one close to the surface ...
Space Exploration
Jul 9, 2015
41
1616
A comet called Nishimura discovered just a month ago could be visible to the naked eye this weekend, offering stargazers a once-in-a-437-year chance to observe the celestial visitor.
Space Exploration
Sep 6, 2023
0
14654
Most of the concerns about climate change have focused on the amount of greenhouse gases that have been released into the atmosphere.
Earth Sciences
Oct 24, 2014
219
1
The severe droughts in the USA and Australia are the first sign that the tropics, and their warm temperatures, are apparently expanding in the wake of climate change. But until now, scientists have been unable to conclusively ...
Earth Sciences
Sep 25, 2020
3
2916
Jupiter and Saturn will merge in the night sky Monday, appearing closer to one another than they have since Galileo's time in the 17th century.
Space Exploration
Dec 18, 2020
0
1510
(Phys.org) —Long believed to be one of the blandest regions of any of the giant gas planets, the southern hemisphere of Uranus indicates a flurry of previously unknown atmospheric phenomena, hinting at an unusual feature ...
Astronomy
Nov 14, 2014
11
0
A flood of epic proportions drained at a rate of more than 800 Olympic swimming pools per second from a glacial lake that spanned the Prairie provinces more than 12,000 years ago, according to a University of Alberta-led ...
Earth Sciences
Aug 5, 2021
4
2007
