Anole lizards can achieve a rare 2-tailed structure under specific physiological conditions. The blastema creates a distinct structural risk during the regeneration window. A partial injury often ...

Comet C/2012 F6 Lemmon photographed on May 15 showing its bluish, ion tail (bottom) beginning to peel away from the comet. The dust tail sticks out to the left. A wispy, new gas tail is already ...

A newly-discovered comet is set to pass Earth in October — and by the time it does, it may be as bright as Venus in the night sky, making it visible to the naked eye. The comet — named ...

Even with a bright Moon spoiling the view, a visitor from another star system is making its presence known. Interstellar comet 3I/ATLAS (C/2025 N1 ATLAS) is not just passing through; it is actively ...

Scientists have identified the genetic changes that helped tree-dwelling snakes to evolve longer tails across multiple ...

This strange sight is returning Comet 12P/Pons-Brooks, which graced northern hemisphere skies earlier this spring and has since moved on to the southern hemisphere. At the moment, we're crossing the ...