The idea of avoiding asteroid impacts has featured prominently in the public's mind for decades—especially since the release of movies such as Deep Impact and Armageddon. But is using a nuclear explosion the best way to ...
Space Exploration
Oct 18, 2021
5
26
It has long been theorized that hydrogen, helium, and lithium were the only chemical elements in existence during the Big Bang when the universe formed, and that supernova explosions, stars exploding at the end of their lifetime, ...
General Physics
Oct 12, 2021
4
314
This is the result of a new study by researchers from DTU Space at the Technical University of Denmark (DTU) and of The Hebrew University of Jerusalem, who have traced the consequences of eruptions on the Sun on clouds and ...
Earth Sciences
Oct 12, 2021
0
691
A promising method for producing and observing on Earth a process important to black holes, supernova explosions and other extreme cosmic events has been proposed by scientists at Princeton University's Department of Astrophysical ...
Plasma Physics
Oct 5, 2021
0
109
Volcanic eruptions spew lava, rock and ash into the air. When fragments of these materials mix and collide in the outflow, they can create an electric potential large enough to generate lightning.
Earth Sciences
Sep 27, 2021
2
122
Researchers at Lawrence Livermore National Laboratory have calculated moment tensors for 130 underground nuclear and 10 chemical test explosions that have taken place at the Nevada National Security test site.
Earth Sciences
Sep 21, 2021
0
58
Australians consume a lot of salmon—much of it farmed in Tasmania. But as Richard Flanagan's new book Toxic shows, concern about the industry's environmental damage is growing.
Ecology
Sep 17, 2021
2
40
Many scientists consider the "Cambrian explosion"—which occurred about 530–540 million years ago—as the first major appearance of many of the world's animal groups in the fossil record. Like adding pieces to a giant ...
Paleontology & Fossils
Sep 9, 2021
0
97
Complex carbon-based molecules are everywhere in the Cosmos. How many of these molecules are formed is still something of a mystery, particularly for carbon molecules formed by nature on primordial Earth that gave rise ...
Materials Science
Sep 2, 2021
0
86
When we talk about amazing geological features, we often limit ourselves to those on Earth. But as a geologist, I think that's crazy—there are so many structures on other worlds that can excite and inspire, and that can ...
Planetary Sciences
Aug 23, 2021
3
1371
