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

This image represents ten total hours of observation and was captured from the Dark Sky Alqueva observatory in Portugal.

The images were captured from Dark Sky Alqueva Researve in Portugal ... the meteors appear to originate from near the blueish star Castor, one of the two "twins" of Gemini. The background is ...

The Andromeda galaxy is a colossal marvel in our sky, hosting over 1 trillion stars. Now, astronomers have used the Hubble ...

Exciting February sky events include Venus at its brightest and closest to Earth, the moon occulting the Pleiades, and a parade of planets in the post-sunset sky.

Buying a tripod isn't essential, but they will keep the camera steady if you are taking a picture with a very long exposure. Avoid nights with a bright Moon in the sky if you just want to capture the ...

I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the ...

Comet ATLAS (C/2024 G3) came within 8.3 million miles of the sun on January 13 as it reached its perihelion, and is now disintegrating.