Nick Hague and Suni Williams spent six hours working on NICER, AMS and other equipment outside the International Space ...

"The question 'Are we alone?' is one of the most significant questions, not just in the history of science, but in the ...

On January 18, 2002, the National Science Foundation formally opened the Gemini South telescope in Chile. This became the ...

James Webb Space Telescope and the W.M. Keck Observatory captured new images of Saturn's moon Titan. Credit: NASA/STScI/W. M.

Astronomers sound the alarm as a proposed renewable hydrogen project in Chile threatens to disrupt the pristine night skies ...

For decades, scientists have tried in vain to accurately predict solar flares—intense bursts of light on the sun that can ...

A little-known chapter of the Hubble Space Telescope’s history is a reminder of the risks of looking at the sun ...

The long-closed, 1920s-era observatory in Lake Angelus is important to astronomy buffs. But its private ownership has ...

A 2023 satellite image captured a pair of peculiar phenomena painting parallel swirls in the sea and sky around Norway's Bear ...

NASA finds flickering coronal loops signal solar flares, paving the way for better space weather predictions and safety ...

Astronomers are sounding alarm bells as the world's most precious sky-observing location faces a light pollution risk due to ...

Proposed budget reductions for the Hubble Space Telescope would impact research and outreach as well as increase the risk to ...