For those in midlatitudes of the Northern Hemisphere, the arc of our galaxy becomes easier to see in May. Here's when and ...

Astrophotographer Thierry Legault captured the International Space Station transit the Sun. The NASA astronauts were ...

Half a century after the world's first deep sea mining tests picked nodules from the seafloor off the US east coast, the damage has barely begun to heal. As wind farms expand, some can ...