From Angola to Turkmenistan, sumptuously outfitted railroad cars are taking passengers on over-the-top journeys back in time.

The oldest fossilized remains of complex animals appear suddenly in the fossil record, and as if from nowhere, in rocks that ...

The earliest acoustic vibrations in the cosmos weren’t exactly sound – they travelled at half the speed of light and there ...

Spoiler alert! The following contains details from Season 5, Episode 2 of "Stranger Things," "The Vanishing of Holly Wheeler." Can you hear the demogorgan, Fernando? "Stranger Things" is known for ...

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...

Tiny bits of Earth’s atmosphere have been drifting to the moon for billions of years, guided by Earth’s magnetic field.

Ousted Venezuelan leader Nicolás Maduro entered a plea of not guilty in his first court appearance in New York as President Donald Trump threatens other countries with US action. Follow here for the ...

I can’t change the whole world. But I can try to make this part of it a little better than when I arrived,' says Aidan Kazur ...

Every fall, we publish our Best of Dallas issue, the Observer’s biggest print edition of the year. In those pages, we ...

U.S. transportation stocks have been strong performers — but investors shouldn’t get too excited. The recent strength exhibited by the Dow Jones Transportation Average is not the bullish omen that ...

Stranger Things is finally coming to an end when the second half of Season 5 arrives on Christmas, followed by the series finale on New Year's Eve (it'll even be in theaters at select locations, if ...