The space rock could come from a Mars-sized protoplanet in the early solar system In an experiment designed to mimic the conditions deep inside the icy giant planets of our solar system, scientists were able to observe "diamond rain" for the first time as it formed in high-pressure conditions. Extremely high

Are you ready for the Perseids? Perhaps you've already seen some of them streaking across the summer skies! This shower, part of the debris stream of comet Swift-Tuttle, actually starts in mid to late July and extends for most of August. However, while there will only be a few meteors

Light pollution has long been the bane of amateur astronomers, but in recent years its effects have become much more prominent, and not just to stargazers. Harsh and bright white LED lights, while more efficient, have created problems for some communities as they have replaced their old street lamps and

Some seals still eat like landlubbers. Just like lions, tigers and bears, certain kinds of seals have claws that help the animals grasp prey and tear it apart. X-rays show that the bones in these seals’ forelimbs look like those found in the earliest seals, a new study finds. Ancestors of these