The possibility of the asteroid 2024 YR24 impacting our planet might not be ruled out until 2028, raising the prospect we’ll need to prepare for the worst ...

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A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

Conflicting distance measurements have added to the uncertainty. One data source places one object at 6,500 light years away, ...

According to NASA's SPHEREx mission details, the observatory will survey the entire sky using near-infrared light. Its goals include exploring how galaxies evolved, understanding the structure of the ...

On this date, President John F. Kennedy provides NASA with its strongest advocate for large space telescopes, James Webb ...

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

"The operations work at STScI, NASA's Goddard Space Flight Center, and other NASA contractors is funded by the operational ...

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

Unusual detection bolsters evidence that the mysterious signals can be caused by different astrophysical events.

The Hubble Space Telescope has provided the most detailed survey of the Andromeda galaxy, revealing new clues about its ...

Known as Sgr A* – pronounced “Sagittarius A star” – the supermassive black hole is four million times the mass of the sun and is known to exhibit flares that can be observed in multiple wavelengths, ...