When the scientists paired two male octopuses in the same setup, the males interacted by touching arms, but they never ...

Two new studies from Project CETI provide the most detailed account of a sperm whale birth ever recorded, revealing ...

At the time, the justices paused their decision for at least 30 days to prevent the birthright citizenship order from ...

Virginia Allen is a senior news producer for The Daily Signal and host of "The Daily Signal Podcast" and "Problematic Women." Send an email to Virginia. Multiple parents in Fairfax County, Virginia, ...

Just because a female olive baboon has mated with a specific male doesn't mean he will be the father of her offspring.

The team ends up inside a hive rigged for nuclear meltdown and is stranded on the planet. The team splits up, with Ripley setting the planet to blow up and Newt trying to save a little girl inside a ...

The hectocotylus is both a reproductive organ and a sensory organ, a rare combination in animals, new research suggests ...

The search for life isn’t limited to distant exoplanets—some of the most promising candidates may be right here in our own solar system. From underground lakes on Mars to vast oceans beneath the icy ...

Scientists discovered that making a very small change to female mice's DNA caused them to develop male reproductive organs.