Join in for live views of our nearby galactic neighborhood from the dark skies at McDonald Observatory.

The mysterious interstellar visitor in our Solar System has shifted in a way that has never been seen among comets before.

NASA's Voyager 2 spacecraft captured dark streaks produced by geysers visible on the icy surface of Triton's south polar ...

HD 140283, better known as the Methuselah star, is around 200 light-years from Earth, in the constellation of Libra. It is ...

The Hubble Space Telescope has captured imagery of an object 9,000 light-years way known as IRAS 05506+2414. It "may be an ...

A pair of Sydney Ph.D. students helped sharpen the view of humanity's most powerful space observatory—without leaving Earth.

Two students have engineered a fix to improve the imaging from the James Webb Space Telescope interferometer. They did this ...

For decades, scientists have suspected that Betelgeuse—the giant red star that forms Orion’s shoulder—wasn’t alone. Now, a ...

Elliptical galaxies instead tend to be older, more massive, and with stars distributed not in a nice little disk, but in a ...

The Hubble Space Telescope reveals how color filters tease out the life cycles of stars in spiral galaxy NGC 6000 — while a ...