In January 2025, Venus, Mars, Jupiter, Saturn, Uranus and Neptune were all visible in the night sky. And in February, 2025, ...

From the beginning of time to the origins of life, our "when" special series tackles the timing of crucial events and the ...

“Planets always appear along a line in the sky, so the “alignment” isn’t special,” NASA’s Preston Dyches wrote. “What’s less common is seeing four or five bright planets at once, which doesn’t happen ...

Using NASA's James Webb Space Telescope, Northwestern astrophysicists gained the longest, most detailed glimpse yet of the supermassive black hole at the center of the Milky Way.

Over the next several weeks, astronomers will be looking closely at an asteroid called 2024 YR4 that could be as big as a ...