When a meteor streaks across the sky, it's not just beautiful. It's nature's way of delivering a time capsule to Earth.

The Geminids are expected to run from Dec. 7-17, with a peak on the nights of Dec. 13 and 14 when 120 to 150 shooting stars ...

Astronomers have pulled off an unprecedented feat: detecting ultra-faint light from the Big Bang using ground-based telescopes. This polarized light scattered by the universe's very first stars over ...

To say that we don’t understand the earliest moments of the universe would be an understatement. Indeed, the first second after the Big Bang featured not only the most extreme conditions ever ...

Looking for a sky event this week? Check out our full Sky This Week column. November 29: Mercury's retrograde path ends Titan ...

The importance of darkness, solar eclipses, Mars, the Webb Telescope and just how dangerous space is are the subjects for ...

Assistant Professor of Astronomy and Astrophysics, University of Maryland, Baltimore County Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, ...

Each September, almanacs start to appear across America. Most notable is The Old Farmer’s Almanac, which has been in print since 1792. Its cover states that it is “Useful, with a Pleasant Degree of ...

Over the course of billions of years, the universe has steadily been evolving. Thanks to the expansion of the universe, we ...

Laboratory of Solar Astronomy at the Institute of Space Research (IKI) On December 1, the Russian Academy of Sciences called ...