To understand gravitational lensing and dark matter, James Jee, a professor at Yonsei University, says to think of a pond ...

A new cosmological simulator logs its scientific predictions and refutations in real time, storing hashes in blockchain with full offline ...

The first ever space telescope, the Orbiting Astronomical Observatory 2 (OAO-2), was launched into the low Earth orbit in ...

The most powerful telescope in history. The James Webb Space Telescope's "jewel-filled" photos are stunning. FBI says it's ...

Astronomers have discovered a galaxy that has been "frozen in time" for billions of years. Like a celestial dinosaur fossil, ...

Many galaxies, including our own Milky Way, are characterized by a flat, extended, rotating stellar disk. These disk galaxies commonly contain two ...

Researchers identified the likely planetary candidate’s infrared light after blocking out its host star’s overwhelming glare ...

How does the camera on the James Webb Space Telescope work and see so far out? – Kieran G., age 12, Minnesota Imagine a ...

Using the James Webb Space Telescope, scientists spotted thin and thick disks ... allowing us to see how galaxies have built their disks over cosmic history. "Thanks to the JWST's sharp vision, we ...

Goddard Space Flight Center Growing up in Detroit with a camera in her hand, Sophia Roberts — now an award-winning ...

Present-day disk galaxies often contain a thick, star-filled outer disk and an embedded thin disk of stars. For instance, our ...

On May 20, 1990, the Hubble Space Telescope sent its first image to Earth. This photo turned out to be 50% sharper than ...