What is a brown dwarf star? These formations often defy classification, blurring the line between planets and stars.

Associates say a failed attempt to buy the Buffalo Bills in 2014 cleared a path for him to run for office and gave him a grudge against the league.

The owner of the shuttered Three Mile Island nuclear power plant says it plans to restart the reactor and that Microsoft will ...

TIME's senior sports correspondent Sean Gregory tries his hand at several Olympic sports while learning from Olympians. Subscribe now to get unlimited access to TIME.com and more! Tidal action ...