In a celestial event known as a great alignment the five planets will be discernible with the naked eye, but to see Neptune ...

New James Webb Space Telescope observations of a star cluster called NGC 346 are shedding light on how, when and where ...

Mercury joins the night sky to complete a 7-planet alignment just after sunset for the end of February. Saturn leaves our ...

Super-Venus GJ 1214 b offers new insights into the evolution ... GJ 1214 b continues to remind about the great variety of ...

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

Venus, Mars, Jupiter, Saturn, Uranus, and Neptune will align in a line in the sky. Although most of these planets will be ...

Through the lens of the Hubble and James Webb Space Telescopes, scientists are zeroing in on the Hubble Constant, a vital ...

Hubble's discovery of expanding galaxies confirmed the universe's vastness, laying the foundation for the Big Bang theory and ...

The full image includes some 2.5 billion pixels compiled from observations spanning more than 1,000 orbits around Earth ...

Around 2015, astronomers took on the painstaking task of stitching together Hubble Space Telescope images of this galaxy, but that effort had focused on the galaxy's northern half. Still, however, the ...

Located about 1,300 light-years from Earth, these young stars, also known as protostars, reside in a hotbed for star ...