Researchers that are making efforts to clarify the data being collected on Antarctic sea ice by satellites using ground-based instruments are reporting that the extent of ice surrounding our southernmost continent has shrunk to a record low, nearly one million square kilometers (386,000 square miles) less than when record keepingread more
Two pieces of preserved wood have been discovered at an archaeological site in Zambia that indicate that ancient humans had developed woodworking techniques to build structures nearly a half-million years ago, extending our use of this near-universal building technology to a point before modern humans even emerged. Made from theread more
There is the possibility that life on Earth may not have originated here, but rather travelled to our planet on meteorites after first coming into being on the surface of Mars, according to a new study of Martian meteorites that suggests that the now-arid surface of the Red Planet wasread more
A new archaeological find in New Mexico has added to a growing body of evidence that modern humans have been present in the Americas for much longer than the conventionally-accepted duration of 13,000 years, with the discovery of a set of 23,000-year-old footprints made by children playing in the tracks ofread more