Evidence that catastrophic geological events could have created evolutionary bottlenecks that changed the course of life on Earth may be buried within ancient rocks beneath our feet.
Astronomy
Oct 16, 2018
0
334
On July 20, 1969, Apollo 11 astronaut Buzz Aldrin stepped out a lunar lander onto the surface of the moon. The landscape in front of him, which was made up of stark blacks and grays, resembled what he later called "magnificent ...
Space Exploration
Mar 3, 2021
0
333
In 1960, while preparing for the first meeting on the Search for Extraterrestrial Intelligence (SETI), legendary astronomer and SETI pioneer Dr. Frank Drake unveiled his probabilistic equation for estimating the number of ...
Astrobiology
Sep 29, 2023
7
332
On Dec. 6 local time (Dec. 5 in the United States), Japanese spacecraft Hayabusa2 dropped a capsule to the ground of the Australian Outback from about 120 miles (or 200 kilometers) above Earth's surface. Inside that capsule ...
Space Exploration
Dec 7, 2020
3
3134
Earth's most arid desert may hold a key to finding life on Mars.
Astrobiology
Nov 5, 2020
2
575
The search for radio signals from extraterrestrial civilizations has yet to yield evidence of alien technological activity. Research carried out at EPFL suggests we continue searching while optimizing the use of available ...
Astronomy
Apr 28, 2023
3
326
"Space ice" contains tiny crystals and is not a completely disordered material like liquid water, as previously assumed, according to a new study by scientists at UCL (University College London) and the University of Cambridge.
Astrobiology
Jul 7, 2025
0
324
The earliest morphological traces of life on Earth are often highly controversial, both because non-biological processes can produce relatively similar structures and because such fossils have often been subjected to advanced ...
Astrobiology
Nov 7, 2022
13
321
Giant elliptical galaxies are not as likely as previously thought to be cradles of technological civilizations such as our own, according to a recent paper by a University of Arkansas astrophysicist.
Astronomy
May 1, 2020
7
540
New research published in Earth and Planetary Science Letters suggests that Mars was born wet, with a dense atmosphere allowing warm-to-hot oceans for millions of years. To reach this conclusion, researchers developed the ...
Astrobiology
Sep 21, 2022
4
1080
