A new study of the Ovda Fluctus lava flow on Venus indicates that it is made of basaltic lava. This discovery weakens the notion that Venus might once have been Earth-like with an ancient ocean of liquid water.
Space Exploration
Oct 7, 2019
15
193
Continents 4.5 billion years old, entombed nearly 2,000 miles underground, predate the formation of the moon and could shed light on how everything we know today came to be, according to new research.
Earth Sciences
Sep 27, 2019
0
103
There are 30 percent more sediments on the seabed than previously expected, reveal an update of the map GlobSed. This equates to up to two kilometers of extra land mass over today's land area.
Earth Sciences
Sep 18, 2019
0
15
Captured by the Copernicus Sentinel-2 mission on 21 August 2019, this image features a huge raft of pumice rock drifting in the Pacific Ocean. The pumice is believed to have come from an underwater volcano near Tonga, which ...
Environment
Aug 28, 2019
0
12
New research from Woods Hole Oceanographic Institution (WHOI) published Aug. 19, 2019, in the Proceedings of the National Academy of Science provides evidence of the formation and abundance of abiotic methane—methane formed ...
Earth Sciences
Aug 20, 2019
7
1003
There have been long periods of cooling in Earth's history. Temperatures had already fallen for more than 10 million years before the last ice age began about 2.5 million years ago. At that time, the northern hemisphere was ...
Earth Sciences
Jul 3, 2019
5
1
A new radioactivity model of Earth's ancient rocks calls into question current models for the formation of Earth's continental crust, suggesting continents may have risen out of the sea much earlier than previously thought ...
Earth Sciences
Jul 1, 2019
3
12
Deep under the ocean bed, a sinking tectonic plate causes a "swarm" of earthquakes, feeding molten rock into newly forming volcanoes, new research has discovered.
Earth Sciences
Jun 18, 2019
0
708
Twenty thousand years ago, in the thick of an Ice Age, Earth looked very different. Because water was locked up in glaciers hundreds of feet thick, which stretched down over Chicago and New York City, the ocean was smaller—shorelines ...
Earth Sciences
May 24, 2019
1
2113
It is well known that life on Earth and the geology of the planet are intertwined, but a new study provides fresh evidence for just how deep—literally—that connection goes. Geoscientists at Caltech and UC Berkeley have ...
Earth Sciences
May 10, 2019
8
578
