"As fascinating as the galaxy appears at visible wavelengths, some of NGC 5643's most interesting features are invisible to ...

Astronomers have long understood that the universe is expanding—in other words, the space in between cosmic objects that aren ...

Over the last ten years, OPAL has observed Uranus' northern hemisphere, which has faced the inner solar system for the ...

The rate of expansion of the universe today is a figure known as the Hubble constant, which is typically measured in units of ...

These instruments, like the Hubble Space Telescope, reported a value of around 73 km/s/Mpc. The difference between these ...

The Hubble Space Telescope has peered deeper than ever before into the heart of the supermassive black hole-powered quasar 3C ...

Fresh corroboration of the perplexing observation that the universe is expanding more rapidly than expected has scientists ...

NASA's Nancy Grace Roman Space Telescope team has successfully integrated the mission's telescope and two instruments onto ...

For years, scientists have been troubled by an unusual feature of our universe. It appears to be expanding faster today than ...

This NASA/ESA Hubble Space Telescope image features the glorious spiral galaxy NGC 5643, which is located roughly 40 million ...

NASA and ESA’s Hubble Space Telescope has been observing the outer planets through a program called OPAL (Outer Planet ...