Critics argue the satellites, billed as a way to harness solar energy at night, could hamper sky observations and may pose a ...

Interstellar comet 3I/ATLAS is making its closest-ever pass in December. Learn about this mysterious space outsider, its ...

Interstellar comet 3I/ATLAS has gone from a faint, anonymous smudge in survey data to one of the sharpest imaged visitors ...

For thirty years, SOHO has watched the Sun from a stable perch in space, revealing the inner workings of our star and ...

It has hurtled through the void for billions of years, a very old, very cold chunk of rock and ice that has travelled from a ...

A spaceman has captured jaw-dropping views of aurora from orbit. NASA astronaut Jonny Kim shared the scene from aboard the ...

Google’s Project Suncatcher would need sophisticated collision avoidance capabilities to navigate a junk-filled landscape.

The calendar turning to the final month of the year brings with it not just the festive excitement of Christmas and New ...

Look up, skywatchers. A striking celestial event is underway this week, as the Cold Supermoon, the final full moon of 2025, ...

The last supermoon of 2025 will rise in December, bringing with it brighter skies and a second round of king tides to the ...

It’s from another Solar System, so of course it’s anomalous.” That refrain from planetary scientists has seldom been more apt ...

A larger-than-usual full moon and two radiant meteor showers will soon dance in the California night sky. The final full moon of 2025 will also be a supermoon, appearing bigger and brighter to ...