The Hubble Telescope appears as a tiny silhouette during a perfectly timed solar transit captured from Puerto Rico.

Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight Center. Credit: NASA's Goddard Space Flight Center Producer & Director: James Leigh Editor: Lucy Lund Director of Photography: James Ball Additional Editing & Photography: Matthew Duncan Executive Producers: James Leigh & Matthew Duncan Production & Post: Origin Films Video Credit: Hubble Space Telescope Animation Credit: M.

Scientists have theorized that dark matter clumps exist in staggering numbers, far more than the galaxies we see. Only clumps that exceed a certain threshold in mass should hold onto gas and ignite stars. Below it, gravity loses its tug-of-war with heat and radiation, and star formation can't occur.

NASA’s Hubble Space Telescope has made a significant breakthrough in the field of astronomy by refining the age of the Methuselah Star, also known as HD 140283. This star, first identified in 1908, was initially believed to be older than the universe ...

The Hubble Space Telescope is one of the most famous scientific instruments that has ever existed. It’s given the world an unfathomable amount of data and allowed for never-before-imagined exploration of the universe we call home. And on top of that it ...

On the night of Oct. 5 to 6, 1923, Edwin Hubble discovered a new star — and revealed the utter vastness of the universe. Hubble was looking at the cosmos with the 100-inch Hooker telescope at the Mount Wilson Observatory near Pasadena, California, when ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A dramatic rise in the number of internet satellites orbiting Earth could make it impossible for the Hubble Space ...