In the Halo universe, the biggest threat is an alien hegemony called the Covenant. Who are they and what do they want?

It's not hard to find a high-quality, affordable engagement ring if you know where to look. Here's where our editors ...

— Recommendations are independently chosen by our editors. Purchases you make through our links may earn us and our publishing partners a commission. 1. Brilliant Earth Morgan East-West ...

Moon halos, or lunar halos, form when light refracts off of ice crystals in a thin layer of cirrus clouds. They’re sometimes ...

A chain of unexplained rings rises from the Sunbury hills at the fringe of Melbourne, Australia. These earth rings, located in Wurundjeri Woi-wurrung Country, are not a natural formation but ...

In a surprising twist on our planet’s ancient history, scientists are now suggesting that Earth might once have had a ring system, similar to the rings we see around Saturn today. A new study ...

A chain of unexplained rings rises from the Sunbury hills at the fringe of Melbourne, Australia. These earth rings, located in Wurundjeri Woi-wurrung Country, are not a natural formation but evidence ...

Sometimes snow is part of it, too. Here’s our mythbuster breakdown on whether the moon can predict the weather. Moon halos, or lunar halos, form when light refracts off of ice crystals in a thin ...

People give engagement rings to show eternal love in a partnership. Before recent years, natural diamonds served as the ...