While humans possess three kinds of color-sensitive cones, birds have four. This is an Inside Science story. Hummingbirds can see colors humans can only imagine, an ability that now sheds light on an ...

I don’t really have a favorite time of year to stargaze; each season brings its own unique charms to the sky. But there is something special about summer, when the weather is milder and the Milky Way ...

During a total solar eclipse, people may see some strange things. Sure, there’s the main event happening in the sky (SN: 1/4/24). But the world may also look a little different on the ground. For a ...