New study dramatically narrows the search for advanced life in the universe
Scientists may need to rethink their estimates for how many planets outside our solar system could host a rich diversity of life.
Scientists may need to rethink their estimates for how many planets outside our solar system could host a rich diversity of life.
Astronomy
Jun 10, 2019
30
3815
There's been a lot of discussion about hemp recently, since the 2018 Farm Bill made it legal for farmers to grow industrial hemp for the first time since the passage of the 1970 Controlled Substances Act (or, practically ...
Plants & Animals
Feb 15, 2019
0
94
Prehistoric worms populated the sea bed 500 million years ago—evidence that life was active in an environment thought uninhabitable until now, research by the University of Saskatchewan (USask) shows.
Earth Sciences
Feb 28, 2019
5
1053
According to long-standing canon in evolutionary biology, natural selection is cruelly selfish, favoring traits that help promote reproductive success. This usually means that the so-called "force" of selection is well equipped ...
Evolution
Jul 7, 2022
1
553
A new study by Virginia Tech geobiologists traces the cause of the first known mass extinction of animals to decreased global oxygen availability, leading to the loss of a majority of animals present near the end of the Ediacaran ...
Earth Sciences
Nov 7, 2022
5
849
Anyone who has studied biology, watched a nature documentary, or, for that matter, simply enjoyed time in the outdoors, has likely been amazed by the variety of plant and animal life on our planet.
Ecology
Aug 30, 2017
0
459
Paleontologists on Thursday unveiled the fossilized remains of an ancient whale that inhabited the seas 36 million years ago, found last year in a Peruvian desert.
Paleontology & Fossils
Mar 18, 2022
0
7067
Oxygen—it's a basic necessity for animal life. But marine biologists recently discovered large schools of fishes living in the dark depths of the Gulf of California where there is virtually no oxygen. Using an underwater ...
Plants & Animals
Jan 18, 2019
6
2825
It took 100 million years for oxygen levels in the oceans and atmosphere to increase to the level that allowed the explosion of animal life on Earth about 600 million years ago, according to a UCL-led study funded by the ...
Earth Sciences
Dec 18, 2015
8
190
(Phys.org) —In 2 billion years' time, life on Earth will be confined to pockets of liquid water deep underground, according to PhD astrobiologist Jack O'Malley James of the University of St Andrews. The new research also ...
Earth Sciences
Jul 2, 2013
20
0