Scientists discover the first fossil egg of a mammal ancestor, offering new clues to how Lystrosaurus survived extreme ...

A new research paper was published in Aging (Aging-US) Volume 17, Issue 3, on March 5, 2025, titled "Reproductive aging, preimplantation genetic testing for aneuploidy, and the diameter of blastocysts ...

A new study from the Smithsonian Tropical Research Institute (STRI) shows that red-eyed treefrog embryos hatch early when exposed to high ammonia levels — an environmental cue that it’s too hot and ...

We may soon have a new eaglet in Big Bear! One of the eggs belonging to bald eagle couple Jackie and Shadow has started to ...

A Big Bear bald eagle egg shows its first crack on live cam, signaling a hatch is near for Jackie and Shadow after a ...

An egg laid by California’s most famous feathered couple has started to hatch — and all eyes are on the famous pair’s love ...