Which way is ‘down’ has a different answer depending on where you are on Earth, in the solar system, in our galaxy and beyond ...

Scientists have discovered the fastest-spinning asteroid sized over 0.3 miles in diameter, which is rotating about once every ...

Astronomers analyzing data from Vera C. Rubin Observatory have discovered the fastest-ever spinning asteroid with a diameter ...

Scientists have pulled back the curtain on one of the most extreme solar regions seen in decades, tracking it almost nonstop ...

In its preliminary data release, taken from just seven nights of observations, the powerful Vera C. Rubin Observatory has ...

For large Main Belt asteroids, that break-apart point was set at a spin period of about 2.2 hours – a hard limit suggested by ...

Scientists have measured that Jupiter releases more internal heat than it absorbs from the Sun, based on observations of its structure, rotation, and atmospheric behavior.

The Hubble Space Telescope has captured startling structures on interstellar comet 3I/ATLAS, narrow, sun-facing dust streams ...

The Moon exerts a constant physical influence on Earth through gravity, light, and orbital interaction. Its mass shapes ocean ...

Astronomers analyzing data from NSF–DOE Vera C. Rubin Observatory, jointly funded by the U.S. National Science Foundation and ...

Curious Kids is a series for children of all ages. If you have a question you'd like an expert to answer, send it to ...

Harvard expert Avi Loeb claims the 3I/ATLAS comet's path is 'suspiciously' precise, sparking alien theories. NASA reveals the ...