"An epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey through hypothetical worlds and possibilities, some in distant corners of the ...

Let me take you on a wild ride to the very edges of our Universe. But it won't be as simple as traveling through space. Because the edges that we’re talking about aren’t in space. They’re in ...

In 1929, Edwin Hubble discovered from observations of distant galaxies that the Universe was expanding. This baffled astronomers and the public alike. Then in 1998, another wrinkle: Two different ...

The simplest answer is that nobody knows. Right now we can see to a distance of about 46 billion light years, the edge of the so-called visible universe. However, most scientists will agree that, if ...

Mon., June 23, 2025 A composite image of the supernova 1E0102.2-7219 contains X-rays from Chandra (blue and purple), visible light data from VLT’s MUSE instrument (bright red), and additional data ...

This video shows the habitable zone around the star HD 20794 (in green) and the trajectory of the three planets in the system. Thirty years after the discovery of the first exoplanet, we detected more ...

A comet heading towards our planet might be visible to the naked eye in the next few months. The comet, named Comet C/2023 A3 (Tsuchinshan-ATLAS), was first discovered in early 2023, and has been ...

This solar system and universe station is part of the Sun, Earth, Universe exhibition that opens Monday, May 5, on the fourth floor of the University of Wyoming’s Science Initiative Building. The ...

On Sunday, Sept. 29, Earth captured a new "minimoon" called 2024 PT5. The bus-size asteroid is expected to orbit our planet for 57 days, but is too small to be visible to amateur skywatchers. When you ...