For the first time, scientists have detected trace amounts of phosphine—a molecule that, on Earth, is produced only by living beings—in the atmosphere of a brown dwarf. Wolf 1130C is an ancient brown ...

Brown dwarfs: too small to be stars, too big to be planets. Subscribe to our newsletter for the latest sci-tech news updates. Only discovered in the 1990s, these in-between cosmic objects aren't big ...

"We therefore caution against the use of phosphine as a biosignature until these discrepancies are resolved." When you purchase through links on our site, we may earn an affiliate commission. Here’s ...