Using data from the James Webb Space Telescope, astronomers found huge quantities of chemicals produced by life on Earth in the atmosphere ... would that alien life look like?

Many of the effects of climate change are irreversible. Sea levels have been rising at a greater rate year after year, and the Intergovernmental Panel on Climate Change estimates they could rise ...

So, if these chemicals do really have a biological ... some hints to what alien life could look like. Scientists believe the first filter-feeding animal in Earth's history was a large shrimp ...