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

A study of more than 3,000 genomes has traced a gene mutation that confers HIV resistance to a person who lived near the ...

A likely source of contamination has been identified in an ongoing Listeria outbreak affecting California and Nevada.

By studying seismic waves, researchers have found a layer deep beneath the surface of Mars that could contain enough liquid ...

A river that drained the slopes of a now-vanished volcano may have carved Yosemite Valley's depths during the last 10 million ...

Despite the deep ocean floor coating some 66% of our planet's surface, we haven't explored 99.999% of it, study finds.

May's full moon appeared full all weekend, but will peak tonight (Monday, May 12). Here's everything you need to know about ...

Ancient human remains in a famous Greek tomb can't be Alexander the Great's father after all, a scientific analysis reveals.

Fossil sites in Australia hold pollen and spores from the dinosaur age, when the island straddled the Antarctic Circle. Now, ...