The project in the Atacama Desert could increase light pollution by up to 50%, making it much harder to observe the cosmos ...

While alignments themselves aren't special, it is rare to have an opportunity to observe multiple planets simultaneously without the need for instruments like ground telescopes ... they're marching ...

Now, NASA is inviting the public to honor the telescope’s 35th anniversary with an on-the-ground stargazing challenge. The agency’s Hubble Night Sky Challenge, coordinated with the ...