More recently, astronomers have proposed a theory for its volatile nature, which explains the star's seemingly erratic changes in brightness. They've suggested an unseen companion star orbiting ...

If you've been considering nano-hydroxyapatite, fluoride-free toothpastes like NOBS, Boka or Davids, dentists want you to know this before brushing.

Antarctica shows a surprising trend. It has gained ice mass between 2021 and 2023. This is after decades of losses.