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NASA has discovered an exoplanet with three stars, one with a bizarre orbit that has left astronomers baffled.

Trump sparred with the likes of Twitter and Facebook despite his immense popularity on those platforms. His fiery rhetoric ultimately got him booted from them.

The state’s nightmare surge may be slowing, but a new variant and a jumbled vaccine rollout could threaten progress. Catch up on Covid-19 news.

Perhaps the most exciting aspect of modern hip replacement is the increasing use of robotic surgery.

Experts have discovered an “almost-complete” fossil of a 150-million-year-old shark in Germany, giving them a nearly unprecedented look into Earth’s distant past.

The CIA’s decision to declassify more than three decades worth of UFO documents is a “real-life X-Files,” according to one expert.

Scientists have confirmed the existence of a massive “super-puff” exoplanet, one that is as large as Jupiter but 10 times lighter and could change how humanity explores the universe.

The court will hear arguments on a technical legal question in a case that demands fossil fuel companies help pay for the costs of dealing with climate change.

Before Jefferson Davis there was John C. Calhoun. What rougher beasts do Trump, Hawley and Cruz prefigure?