Of the heavy metals spewed by dying stars, the astronomers were particularly interested in iron-60. That’s because iron-60 is ...

That led them to consider that these ancient aquatic organisms actually fed on iron to fuel photosynthesis, and they must have, as the oceans didn’t have oxygen eons ago. Does that mean the ocean was ...

Alex Luck, an Australia-based naval analyst, wrote on X, formerly Twitter, on Friday that Google Earth has updated the satellite imagery of Qingdao First Submarine Base on China's east coast. At least ...

SpaceX launched a Falcon 9 rocket loaded up with more than two dozen Starlink satellites early Monday from Florida's famed ...