"The tension now turns into a crisis," said Dan Scolnic, who led the research team. Determining the expansion rate of the universe—known as the Hubble constant—has been a major scientific ...

This discrepancy between model and data became known as the Hubble tension. Now, results published in the Astrophysical Journal Letters provide even stronger support to the faster rate of expansion.

The metal in a wrench is all the same. The only difference is if the manufacturer chose to polish some portion of the wrench’s head or handle. Wrenches with black industrial finishes are ...

While there are endless varieties of tools, the wrench is particularly versatile. Need an adjustable wrench for tightening nuts? You might want a Crescent wrench. Want something that can tackle ...