A sample of ancient oxygen, teased out of a 1.4 billion-year-old evaporative lake deposit in Ontario, provides fresh evidence of what the Earth's atmosphere and biosphere were like during the interval leading up to the emergence ...
Earth Sciences
Jul 18, 2018
0
90
Iron-rich rocks near ancient lake sites on Mars could hold vital clues that show life once existed there, research suggests.
Space Exploration
May 25, 2018
4
533
Five million years ago, the Colorado River met the Gulf of California near the present-day desert town of Blythe, California. The evidence, say University of Oregon geologists, is in the sedimentary rocks exposed at the edges ...
Earth Sciences
Dec 9, 2016
6
400
A recent study from ESA's Mars Express and NASA's Mars Reconnaissance Orbiter (MRO) provides new evidence for a warm young Mars that hosted water across a geologically long timescale, rather than in short episodic bursts ...
Space Exploration
Dec 7, 2016
0
661
The evolution of the first land plants including mosses may explain a long-standing mystery of how Earth's atmosphere became enriched with oxygen, according to an international study led by the University of Exeter.
Earth Sciences
Aug 15, 2016
0
34
The exploitation of mineral deposits always creates debates around economic necessity versus environmental preservation. Fracking for gas in the Karoo region of South Africa is currently vigorously debated. This article is ...
Earth Sciences
Jul 20, 2015
0
26
NASA's Curiosity Mars rover can be seen at the "Pahrump Hills" area of Gale Crater in this view from the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter. Pahrump Hills is ...
Space Exploration
Feb 5, 2015
1
57
A careful study of images taken by the NASA rover Curiosity has revealed intriguing similarities between ancient sedimentary rocks on Mars and structures shaped by microbes on Earth. The findings suggest, but do not prove, ...
Space Exploration
Jan 6, 2015
53
5509
A dinosaur tooth found in Malaysia is at least 140 million years old and belongs to a new species within the "bird-hipped" Ornithischian order, researchers said Thursday.
Archaeology
Nov 13, 2014
0
0
A new study examines how Earth's oldest iron formations could have been formed before oxygenic photosynthesis played a role in oxidizing iron.
Earth Sciences
Nov 7, 2014
4
0
