For more than 20 years, scientists have believed that the universe is expanding at an accelerating rate due to mysterious ...

Hubble Space Telescope can "only see the universe in shades of grey," according to NASA's Goddard Space Flight Center. Learn ...

According to current understanding, the universe is expanding—and is doing so at an accelerating rate. This is believed to be ...

Build your love for space with LEGO as they showcase the brand-new Icons set featuring the famous Hubble Space Telescope ...

The James Webb Space Telescope captured this image of a young galaxy cluster, MACS J0553.4-3342.

Technicians and engineers at NASA's Kennedy Space Center in Florida use a crane to lift the agency's Nancy Grace Roman Space ...

We are still not sure what the correct expansion rate of the universe is; stellar astronomers have now put forward a ...

Dark energy revived Einstein’s discarded cosmological constant and reshaped the leading model of the universe.

According to our best understanding, the universe is expanding - and is doing so at an accelerating rate. This is believed to be caused by something ...

The universe’s expansion makes cosmic distance far less intuitive than simply measuring how long light has traveled.