Using NASA's Transiting Exoplanet Survey Satellite (TESS), astronomers have discovered that aging stars in their so-called ...

What's the difference between a duchess and a princess? Are there duties involved in being a duchess? What are the pros and ...

Women in U.S. President Donald Trump’s inner circle share similar look, which has become popular in MAGA circles ...

US President Donald Trump has said he’s instructed the Defense Department to start testing nuclear weapons “on an equal basis ...

NASA just confirmed that a quasi-moon has been orbiting since 1960. Here is everything to know about what is being called a "second moon." ...

The Earth often gets a few visitors in the solar system, but some stick around for a while. Here's what to know about the 'quasi-moon.' ...

It is not every day we get a visitor from another star system. The interstellar comet 3I/ATLAS is just that: a rare traveller ...

The Earth's Moon is its only one, but scientists recently discovered a new celestial body that will be staying near the planet for the next several decades.

As NASA prepared astronauts for its second mission into space, National Geographic had exclusive behind-the-scenes access for ...

The fall sky-gazing season is officially in full swing with the Orionid meteor shower peak in October and Comet A6 Lemmon increasingly visible in the night sky. The Orionid meteor shower peaks on Oct.

Parents and teachers cover your ears. Dictionary.com says its word of the year is “6-7.” The viral term is one kids and ...

Mars is a cold, dry, desert-like planet. But billions of years ago, scientific evidence suggests that it had a thick ...