Earth's atmosphere pulses in sync with the sun's fiery outbursts, indicating it is more sensitive to solar activity than previously thought, according to new research. "The next set of solar cycles ...

From meteor showers to constellations, here's everything you need to know about observing the summer sky using the unaided ...

Sky This Week is brought to you in part by Celestron. Friday, May 9Asteroid 9 Metis reaches at opposition at 2 A.M. EDT in ...

MSNBC’s Lawrence O’Donnell details how Donald Trump, who is “showing the world what the art of no deals looks like,” was ...

Juno’s latest discoveries have pulled back the veil on Jupiter’s harsh atmosphere and the fiery volcanic world of Io. The ...

AR 4079, the biggest sunspot of 2025, has appeared on the sun. Here's what it looks like — and how to safely see it with your ...

Super-Earths, larger planets similar to Earth, are far more common across the universe than scientists previously believed, according to a groundbreaking microlensing study using KMTNet telescopes.