NASA's SPHEREx space observatory has spent the last six weeks undergoing checkouts, calibrations, and other activities to ensure it is working as it should. Now it's mapping the entire sky - not just ...

NASA’s SPHEREx, which will map hundreds of millions of galaxies ... meaning that the observatory can see over 100 wavelengths in total. Gathering these first images is part of the process ...

On April 27, the moon blocked 23 percent of the sun in a partial eclipse, but it was not possible to see this from Earth.

A new NASA space observatory is scheduled to launch ... to build up that three-dimensional map, and we also see the ...

Only four of the Boston Harbor drumlin islands, Deer Island, Nut Island, World's End and Webb Memorial, are accessible by car ...

while others can be seen only from space. Thanks to advanced satellites like NASA's Solar Dynamics Observatory (SDO), which monitors the sun around the clock in high definition, these otherwise ...