A Japanese capsule carrying the world's first asteroid subsurface samples shot across the night atmosphere early Sunday before landing in the remote Australian Outback, completing a mission to provide clues to the origin ...
Space Exploration
Dec 6, 2020
3
1890
The history of life on Earth has been marked five times by events of mass biodiversity extinction caused by extreme natural phenomena. Today, many experts warn that a Sixth Mass Extinction crisis is underway, this time entirely ...
Ecology
Jan 14, 2022
34
2303
The evolution of tree roots may have triggered a series of mass extinctions that rocked the Earth's oceans during the Devonian Period over 300 million years ago, according to a study led by scientists at IUPUI, along with ...
Earth Sciences
Nov 9, 2022
4
436
The planet is undergoing one of the largest changes in climate since the dinosaurs went extinct. But what might be even more troubling for humans, plants and animals is the speed of the change. Stanford climate scientists ...
Environment
Aug 1, 2013
234
0
(Phys.org)—It's a big claim, but Washington University in St. Louis planetary scientist Frédéric Moynier says his group has discovered evidence that the Moon was born in a flaming blaze of glory when a body the size of ...
Space Exploration
Oct 17, 2012
52
0
The name "critical zone" may give off 1980s action thriller vibes, but it's the term scientists use to refer to the area of Earth's land surface responsible for sustaining life. A relatively small portion of the planetary ...
Earth Sciences
Feb 2, 2023
3
231
A new Tel Aviv University study describes a process to make bioplastic polymers that don't require land or fresh water—resources that are scarce in much of the world. The polymer is derived from microorganisms that feed ...
Polymers
Dec 24, 2018
17
1862
(Phys.org) —NASA's Kepler mission has discovered two new planetary systems that include three super-Earth-size planets in the "habitable zone," the range of distance from a star where the surface temperature of an orbiting ...
Astronomy
Apr 18, 2013
27
0
Imagine Earth completely covered in ice. While it's hard to picture all of today's oceans and land masses obscured with glaciers, such an ice-covered version of the planet was not so far-fetched millions of years ago.
Earth Sciences
Jun 15, 2020
6
932
About 250 million years ago, the Permian-Triassic mass extinction killed over 80% of the planet's species. In the aftermath, scientists believe that life on Earth was dominated by simple species for up to 10 million years ...
Ecology
Feb 9, 2023
1
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