Red-and-green-tinted clouds drift through the Martian sky in a new set of images captured by NASA's Curiosity rover using its Mastcam—its main set of "eyes." Taken over 16 minutes on Jan. 17 (the ...

Interestingly, birds remain woefully understudied when it comes to the optical extras. Until now, no one had looked for the ...

For decades, scientists have wondered at the taxonomy of Vegavis iaai— an ancient avian specimen that lived in what is now ...