The Arecibo Observatory suffered a massive collapse. A control room camera and drone captured the devastation. Credit: ...

The journey of astronomical telescopes began in the early 17th century when Galileo Galilei crafted his first refracting ...

In the United States, funding for planetary defense has long had strong bipartisan support both inside and outside of ...

The change measured by the Mauna Loa Observatory was likely driven by wildfires and continued burning of fossil fuels, scientists say Sara Hashemi Correspondent The Mauna Loa Observatory in Hawaii ...

The house that's served as the residence for every vice president from Walter Mondale to Kamala Harris and now JD Vance is located on the grounds of the United States Naval Observatory.

In the realm of amateur astronomy, enthusiasts find themselves navigating a cosmos in perpetual motion. Planets revolve around stars, which, in turn, orbit within galaxies. But the axial rotation ...

The biggest stories of the day delivered to your inbox.