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How Nnedi Okorafor is building the future of sci-fi from Flossmoor. (Being George R.R. Martin's protege doesn't hurt.)

Aliens travel light years only to land ... background than we were — but then we took it for granted. Now I just think sometimes you don’t see the same things your children do, you know?” The first ... read more

How Much Does a Trip to Disney Actually Cost?

We ... Star Tours, which we immediately go on again because we all love it. 6:40 p.m. — Our next fast pass is in Toy Story Land on Toy Story Mania, which is easily one of the best rides at Disney. ... read more

How Fast Does Light Travel? | The Speed of Light

That doesn't stop sci-fi writers, and even some very serious scientists, from imagining alternative theories that would allow for some awfully fast trips around the universe. The first known discourse ... read more

Rapid Reaction: 3 Quick Takeaways from the Trail Blazers loss to the Golden State Warriors in Game 1

The Trail Blazers All-Star ... where do we start? Was it the turnovers or was it the fact that the Blazers struggled to defend the pick and roll? Did the team’s inability to guard Steph Curry, who ... read more

The Fastest Stars in the Universe May Approach Light Speed

According to their analysis, which they describe in two papers recently posted online, stars can approach light speed. The results are theoretical, so no one will know definitively ... that would ... read more

How does spacetime get bent?

And what does light have to do with any of this? In this week's Ask a Physicist ... they live on a hill and aren’t spinning at all. Outside the Antworld, we know better. The queen isn’t moving. Nearby ... read more

Dear Abby: Man tells wife his travel plans on need-to-know basis

He refuses to enter his work travel schedule ... when he does. The problem is, I live paycheck to paycheck, and there is no retirement plan. What little money I had saved went out the window when I ... read more

Warp Speed? Not So Fast.

Can we travel ... light warp drive, based on a simple mathematical relation in Einstein’s general theory of relativity. While the idea is inspired by Star Trek, the basic concept behind the design is ... read more

How Far Away Are The Stars? Scientists Still Don't Know

If you want to know how fast ... other points of light you can identify. Use simple geometry -- knowing the difference in your position from those first two measurements and the apparent change in ... read more

How Fast Do the 'Guardians of the Galaxy' Travel?

Regardless, what we want to know is how fast the ... s 10,990 light years per minute. Or about 183 per second. 183 light-years per second: that’s the speed the Guardians travel at to save the … well, ... read more

Astronomers Confirm Second Most-Distant Galaxy Ever, And Its Stars Are Already Old

But as far as indirect evidence goes, we just got a huge boost. Scientists have just confirmed the second most distant galaxy of all: MACS1149-JD1, whose light comes from when ... they different from ... read more