Some flying squirrels have only one mating cycle per year but others, such as the Japanese dwarf flying squirrel, have two. The time of year for mating and birth depend on the species as well.

But what exactly is this thing? It's not a comet or an asteroid. Scientists say it could be a low-mass star or a brown dwarf, ...

According to data from the Hubble and James Webb Space Telescopes, the origins of the free-flying photons in the early cosmic ...