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

Take a high-tech headset and specialized controllers -- add a couple dozen high school students, and you've got a whole new ...

The Priority Mail 'Spiral Galaxy' and Priority Mail Express 'Star Cluster' stamps are now available in panes of four at post ...

New U.S. Postal Service stamps released last week feature images captured by NASA's James Webb Space Telescope.

The United States Postal Service has issued two new stamps featuring stellar images beamed back to Earth by the James Webb ...

The U.S. Postal Service has issued a new set of stamps celebrating the James Webb Space Telescope, the most powerful space ...

NASA's achievements, from the iconic Apollo missions to the James Webb Telescope, have redefined space exploration and ...

The striking blue stars of the Leo P dwarf galaxy appear dashed across the lower right corner of this image from NASA's James ...

Astronomers using NASA's James Webb Space Telescope (JWST) have discovered dozens of ancient stars located in the "Dragon Arc ...

The most powerful telescope in history. The James Webb Space Telescope's "jewel-filled" photos are stunning. Heads of Oath ...

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In an attempt to find out, last year, Kastner and his colleagues used the Submillimeter Array (SMA) — a network of radio ...