It’s “common knowledge”—and the scare quotes should be a warning—that the sun is an average star.

Long before humans walked the Earth, the skies of South America were ruled by a colossal bird. Argentavis magnificens, one of the largest flying birds ever discovered, had a wingspan so wide that it ...

It's one of astronomy's great mysteries: how did black holes get so big, so massive, so quickly. An answer to this cosmic conundrum has now been provided by researchers at Ireland's Maynooth ...

A new study published as a pre-peer-reviewed paper on arXiv and accepted for publication in Astronomy & Astrophysics suggests that a massive gas giant, HD 206893 B, located 133 light-years from Earth, ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Argentavis magnificens was so massive it should’ve stayed ...

Add Yahoo as a preferred source to see more of our stories on Google. Argentavis magnificent© Radomil / CC BY-SA 3.0 The post Too Big to Flap? The Prehistoric Bird so Massive it Could Barely Fly ...