Sea ice cover in the Southern Hemisphere is extremely variable, from summer to winter and from millennium to millennium, according to a University of Maine-led study. Overall, sea ice has been on the rise for about 10,000 ...
Earth Sciences
May 6, 2021
0
929
Curtin University research has uncovered the first solid clues about the very beginning of the supercontinent cycle of Earth, finding it was kick-started two billion years ago.
Earth Sciences
Mar 24, 2021
0
49
The UAE's "Hope" probe sent back its first image of Mars, the national space agency said Sunday, days after the spacecraft successfully entered the Red Planet's orbit.
Space Exploration
Feb 14, 2021
2
581
Mars' north pole contains a large ice cap made up of many layers of frozen water. Like ice cores on Earth, those layers offer a tantalizing record of climate on Mars over the past several million years. The first step in ...
Planetary Sciences
Feb 8, 2021
0
128
Using information from ESA's Swarm satellite constellation, scientists have made a discovery about how energy generated by electrically-charged particles in the solar wind flows into Earth's atmosphere—surprisingly, more ...
Space Exploration
Jan 12, 2021
0
742
Every year for the past 15, environmental scientists working under the aegis of a US government agency issue a report on the state of the Arctic, and Tuesday's edition confirms an alarming trend: the North Pole is heating ...
Environment
Dec 8, 2020
22
334
Long ago, all the continents were crammed together into one large land mass called Pangea. Pangea broke apart about 200 million years ago, its pieces drifting away on the tectonic plates—but not permanently. The continents ...
Earth Sciences
Dec 1, 2020
7
99
The impact of sea surface temperature variations in the tropical Pacific on global climate has long been recognized. For instance, the episodic warming of the tropical Pacific during El Niño events causes melt of sea ice ...
Environment
Nov 20, 2020
5
238
Solar flares—violent explosions on the surface of the sun—can send blasts of radiation hurtling toward Earth. While the planet's magnetic field protects humans on the surface, powerful solar flares can disable satellites, ...
Space Exploration
Jul 31, 2020
135
326
Skywatchers along a narrow band from west Africa to the Arabian Peninsula, India and the Far East witnessed a dramatic "ring of fire" solar eclipse Sunday.
Space Exploration
Jun 21, 2020
4
627
