Scientists digging in a Namibian national park have uncovered sponge-like fossils they say are the first animals, a discovery that would push the emergence of animal life back millions of years.
Paleontology & Fossils
Feb 6, 2012
0
0
The prevailing notion that the African continent has been getting progressively drier over time is being challenged by a new study that finds that drought has actually decreased over the past 1.3 million years and that the ...
Earth Sciences
Oct 21, 2016
2
1129
About 11 to 16 million years ago, in the middle of the Miocene period, more than 100 caddisflies met their end in a lake.
Paleontology & Fossils
Mar 4, 2024
0
128
Scientists long have used the "molecular clock" to establish when species may have branched from each other on the Tree of Life.
Evolution
Nov 30, 2015
0
2
A new study of giant viruses supports the idea that viruses are ancient living organisms and not inanimate molecular remnants run amok, as some scientists have argued. The study reshapes the universal family tree, adding ...
Evolution
Sep 13, 2012
2
0
Researchers at Uppsala University and the University of Leeds presents a new mathematical model of patterns of diversity in the fossil record, which offers a solution to Darwin's "abominable mystery" and strengthens our understanding ...
Evolution
Feb 19, 2020
3
912
Science may have enabled us to travel in space and trace the history of the entire universe, but it has not yet been able to answer exactly how and when life first arose on our planet. Traditionally, scientists have used ...
Evolution
Aug 21, 2018
0
86
In 1859, Charles Darwin coined the term "living fossils" to describe organisms that show little species diversity or physical differences from their ancestors in the fossil record. In a new study, Yale researchers provide ...
Plants & Animals
Mar 4, 2024
0
2537
The P-T mass extinction may have been instigated by populations of algae dying. According to one group of scientists, this die-off of large numbers of relatively simple life forms caused a crash in the ocean's entire food ...
Earth Sciences
Dec 14, 2010
8
0
QUT evolutionary biologist Dr Matthew Phillips used molecular dating from DNA sequences to challenge the dominant scientific theory that placental mammals diversified 20 million years before dinosaurs became extinct.
Evolution
Jul 5, 2016
0
20
