Betelgeuse, one of the brightest and biggest stars in our night sky, has been acting strangely for years — suddenly dimming, then brightening again every six years. Now, astronomers believe they’ve ...

Astronomers propose that an ultra-dense clump of exotic dark matter could be masquerading as the powerful object thought to ...

Launched on Dec. 20, it would travel for the next 23 days on a NASA balloon along the very highest reaches of the atmosphere, ...

Our Milky Way galaxy may not have a supermassive black hole at its center but rather an enormous clump of mysterious dark ...

"We studied the last several orbits before the merger, when the entwined magnetic fields undergo rapid and dramatic changes, ...

A Sydney Ph.D. student has recreated a tiny piece of the universe inside a bottle in her laboratory, producing cosmic dust ...

Last week’s movie conversation was all about a certain very high-priced vanity documentary with a ginormous promotional ...

Webb’s latest image of the Helix Nebula reveals a dramatic close-up of a dying star shedding its outer layers. The detailed ...

A spectacular new image from the James Webb Space Telescope reveals intricate structures inside the Helix Nebula, where a dying sunlike star is enriching the galaxy with the elements needed for life.

In October, at a tech conference in Italy, Amazon and Blue Origin founder Jeff Bezos predicted that millions of people will be living in space “in the next couple of decades” and “mostly,” he’d said, ...

Surging demand for energy to power artificial intelligence (AI) data centers is reaching new heights as companies are pursuing plans to station data centers in space. Billionaire entrepreneurs Elon ...

Recently, the Hubble Space Telescope captured an image of a dwarf galaxy in the constellation Ursa Major. Markarian 178 (Mrk 178) is one of over 1500 "Markarian galaxies," a class defined by their ...