A major new study lays out plans for crewed missions to Mars, with the search for extraterrestrial life being a top priority ...

Sea levels are rising, threatening coastal areas, including cities, around the world. Due to climate change, the global ocean has already risen by 21-24 centimeters (about 8-9.5 inches) since 1880, ...

From an incredible series of revelations about the ancient humans called Denisovans to surprising discoveries about tool ...