Black holes are regions in space where gravity is very strong—so strong that nothing that enters them can escape, including light. Theoretical predictions suggest that there is a radius surrounding black holes known as ...
An international team of researchers has discovered 1.2-billion-year-old groundwater deep in a gold- and uranium-producing mine in Moab Khotsong, South Africa, shedding more light on how life is sustained below the Earth's ...
Earth Sciences
Jul 5, 2022
3
1579
Venus may have been a temperate planet hosting liquid water for 2-3 billion years, until a dramatic transformation starting over 700 million years ago resurfaced around 80% of the planet. A study presented today at the EPSC-DPS ...
Space Exploration
Sep 22, 2019
85
1943
The temporary breakdown of Earth's magnetic field 42,000 years ago sparked major climate shifts that led to global environmental change and mass extinctions, a new international study co-led by UNSW Sydney and the South Australian ...
Earth Sciences
Feb 18, 2021
40
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Material scientists have developed a fast method for producing epsilon iron oxide and demonstrated its promise for next-generation communications devices. Its outstanding magnetic properties make it one of the most coveted ...
Nanophysics
Jun 28, 2021
1
1631
Challenging a 75-year-old notion about how and when reptiles evolved during the past 300 million-plus years involves a lot of camerawork, loads of CT scanning, and, most of all, thousands of miles of travel. Just check the ...
Evolution
Oct 7, 2020
5
2320
A small but evolving dent in Earth's magnetic field can cause big headaches for satellites.
Space Exploration
Aug 17, 2020
14
4579
Physicist Pekka Janhunen with the Finnish Meteorological Institute has developed a novel idea to colonize a place other than the Earth—and it is not the moon or Mars. Instead, Janhunen is suggesting in a paper posted on ...
Scientists from Cambridge University and NTU Singapore have found that slow-motion collisions of tectonic plates drag more carbon into Earth's interior than previously thought.
Earth Sciences
Jul 26, 2021
9
5040
Last year the brightest flash of light ever seen in the night sky disturbed Earth's upper atmosphere in a way that has never before detected before, researchers said on Tuesday.
Astronomy
Nov 14, 2023
2
621
