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The mysterious interstellar object 3I/ATLAS is just weeks away from reaching its closest point to Earth: it’s expected to pass within just 170 million miles of our home planet on December 19, giving ...

New images reveal the Manhattan-sized interstellar object 3I/ATLAS has started to sport a tail, indicating that it could possibly be a “maneuvering” alien craft, one Harvard scientist suggested. After ...

The vast majority of matter is dark – invisible until it is detected only through its gravitational effects. The newly discovered object could be a clump of dark matter, or it could also be a compact, ...

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 ...

Last month, astronomers made an exciting discovery, observing an interstellar object — only the third ever observed — hurtling toward the center of the solar system. The object, dubbed 3I/ATLAS, has ...

Anne Quito is a journalist and design critic whose writing explores the surprising ways designers and architects shape culture and society. She was the first recipient of the Steven Heller Prize for ...

A newly discovered object speeding through our solar system is sparking excitement among astronomers because it’s not from around here. Believed to be a comet, the object is only the third celestial ...

Darryl Z. Seligman is supported by an NSF Astronomy and Astrophysics Postdoctoral Fellowship under award AST-2303553. This research award is partially funded by a generous gift of Charles Simonyi to ...