A new underground facility called DUNE, which will accelerate particles for 800 miles between Illinois and South Dakota, ...

NASA's Goddard Space Flight Center Astronomers have long understood that the universe is expanding—in other words, the space in between cosmic objects that aren’t bound by gravity is getting ...

The universe is expanding. But how fast ... slated for launch in 2027. It is the same size as the Hubble but will have a much wider field of view and should offer more data on the evolution ...

The telescope will catalogue billions of new objects and produce a new map of the entire night sky every three days with the ...

Well, it's something called the "Hubble tension," and it's a dispute between observational astronomers and theoretical cosmologists about who's been wrong about how fast the universe is expanding.

That’s an observation, made around a decade ago, that the universe seems to be expanding faster than it should be according to cosmologists’ understanding of its earliest days. Now, two years of James ...

The universe's expansion rate, a figure called the Hubble ... "We need more data to better characterize this clue. Exactly what size is it (the discrepancy)? Is the mismatch at the lower end ...

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the universe is infinite or finite, but it is believed that the universe is expanding based on observational records. If the universe is already infinite, what does it mean for it to expand further?

Data from NASA’s James Webb Telescope confirmed earlier findings that the universe is expanding more rapidly than we previously believed. Why? That’s what scientists are trying to find out.

The bubble's size is not determined by the range ... crucial phase in the Big Bang narrative that launched the universe onto its expansion timeline. Alan Guth, a theoretical physicist at MIT ...

But the model also has to account for the cosmic microwave background and the change in the universe's rate of expansion. Therein lies the rub. Different observational sources also give slightly ...