Scientists using a global array of radio telescopes have detected the universe’s lowest-mass dark object by observing how it warped light through gravitational lensing. The invisible mass, about a ...

What makes 3I/ATLAS especially intriguing is that the comet might be three billion years older than our entire Solar System.

3I/ATLAS, an interstellar object currently zipping through the solar system, is capturing the attention of astronomers, the ...

A new collage from the James Webb Space Telescope reveals eight dazzling examples of gravitational lensing.

Imagine looking up at the night sky and spotting a huge, mysterious interstellar object racing through space, coming from far beyond our solar system. It is moving fast, and it seems to be heading in ...

Astronomers detect a million-sun-mass dark object in deep space using gravitational lensing. This hidden mass may be dark matter or a dormant dwarf galaxy, supporting cold dark matter models and ...

Most supermassive black holes lurk in the nuclei of galaxies, surrounded by stars and glowing with haloes of superhot matter, which swirls inward until it eventually vanishes into a gravitational ...

A rogue rocket booster could collide with the moon in the next few weeks, according to space experts, an event that could leave a crater on the far side of the moon. The SpaceX Falcon rocket stage was ...

A transmit antenna at Site 1 of the Deep-Space Advanced Radar Capability (DARC) in Western Australia is shown at night. Credit: Doug Humphries, BAE Systems WASHINGTON — A new deep-space radar site in ...

Astronomers have used a worldwide array of telescopes to spot the smallest dark object ever identified in the universe. Discovering more of these ...