Lensed quasar: WFI2033-4723 is among the five best lensed quasars discovered ... around the two bright images of the quasar.

The Hubble Space Telescope has captured two tangled galaxies, whose interactions have caused knots to form in the ...

Lightspeed travel is a popular concept in sci-fi and pop culture, but it's not a technology we are likely to see anytime soon ...

A DNA analyst testified at a pretrial hearing in the Caneiro family murder case about evidence seized from Paul Caniero's ...

Voyager 2 is the only craft to visit Uranus. Its findings may have misled us for 40 years. SpaceX rolls Starship Flight 6 ...

Here’s how it works. The best fitness trackers you can buy today range in price from just under $50 to over $400. We've tested every popular model we could get our hands on, wearing them to the ...

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