giant spires of life poked from the Earth. Fossils of these mysterious stalks, dating to between 350 million and 420 million years ago, reveal “trunks up to 24 feet … high and as wide as 3 ...
A super-Earth planet that dips in and out of its star's habitable zone has been discovered just 19.7 light-years away.
Scientists have now retrieved the longest such documentation — an ice core nearly 2 miles long that captures about 1.2 million years of climate information. This record can help us better understand ...
Indeed, scientists have long wondered why land ... depends on atmospheric oxygen and background UVR. It has been widely accepted by scientists that once Earth established a substantial ...