The sun as seen by Solar Orbiter in extreme ultraviolet light from a distance of roughly 46 million miles (75 million kilometers). The image is a mosaic of 25 individual images taken on March 7 by th… [+3957 chars]
In biology, symmetry is typically the rule rather than the exception. Our bodies have left and right halves, starfish radiate from a central point and even trees, though not largely symmetrical, stil… [+4753 chars]
A special kind of lettuce could help anyone headed to Mars stay healthy. Sciepro/Science Photo Library The year 2030 might be when humans finally take their first steps on Mars -- per NASA's timeli… [+4987 chars]
Enlarge/ Brown University biologists X-rayed boa constrictors to determine how they manage to breathe while squeezing prey to death. 28 with 22 posters participating Watching a boa constrictor cap… [+6436 chars]
Salt water within the icy shell of Jupiter's moon Europa could be transporting oxygen into an ice-covered ocean of liquid water where it could potentially help sustain alien life, according to a team… [+4332 chars]
Boa constrictors breathe with different sections of rib cage when constricting prey and digesting dinner. The later stages of pregnancy can make life difficult as the fetus presses against the diaph… [+4003 chars]
In biology, symmetry is typically the rule rather than the exception. Our bodies have left and right halves, starfish radiate from a central point and even trees, though not largely symmetrical, stil… [+4753 chars]