NASA's Mars 2020 Perseverance rover has begun its search for signs of ancient life on the Red Planet. Flexing its 7-foot (2-meter) mechanical arm, the rover is testing the sensitive detectors it carries, capturing their first ...
Planetary Sciences
Jul 20, 2021
3
988
The almost 15-million-year-old Nördlinger Ries is an asteroid impact crater filled with lake sediments. Its structure is comparable to the craters currently being explored on Mars. In addition to various other deposits on ...
Planetary Sciences
Apr 8, 2021
0
275
How do new species arise, and how quickly does this happen? Evolutionary biologist Professor Axel Meyer from the University of Konstanz and his team have come one decisive step closer to answering fundamental questions in ...
Ecology
Oct 28, 2020
0
67
The string of volcanoes in the Cascades Arc, ranging from California's Mt. Lassen in the south to Washington's Mt. Baker in the north, have been studied by geologists and volcanologists for over a century. Spurred on by spectacular ...
Earth Sciences
Mar 22, 2019
0
62
The northeastern rim region of Hellas impact basin, located in the southern hemisphere of Mars, contained numerous ephemeral lakes throughout Mars' history, a new study reveals. A new paper published in Astrobiology examines ...
Space Exploration
Nov 2, 2018
0
68
Detecting biomarkers in glacial lakes on Earth could pave the way for astrobiologists to detect evidence for life on other worlds, and also unravel the properties of the environments in which that life lived.
Space Exploration
Jul 16, 2018
0
40
As Curiosity rover marches across Mars, the red planet's watery past comes into clearer focus.
Space Exploration
Apr 19, 2018
4
634
Star-shaped and swallowtail-shaped tiny, dark bumps in fine-layered bright bedrock of a Martian ridge are drawing close inspection by NASA's Curiosity Mars rover.
Space Exploration
Feb 8, 2018
0
200
Lighter-toned bedrock that surrounds fractures and comprises high concentrations of silica—called "halos"—has been found in Gale crater on Mars, indicating that the planet had liquid water much longer than previously ...
Space Exploration
May 30, 2017
0
79
If one would rewind the tape of life, would evolution result in the same outcome? The Harvard evolutionary biologist Stephen Jay Gould came up with this famous thought experiment. He suggested that evolution would not repeat ...
Evolution
Oct 28, 2014
4
0
