The Sun has never looked quite like this. With a quartet of small satellites flying in formation, NASA’s PUNCH mission is ...

I/ATLAS may have moved away from Earth as it makes its way out of the solar system, but this interstellar intruder continues ...

Space is always inspiring and 2025 was no exception, with finding Betelgeuse’s buddy, debuting a prolific survey telescope ...

From plasma engines that could turn months of travel into weeks to the first blueprints for ships that will outlive their ...

Investment firms have put over $100 million into developing risky technologies that could cool the planet with unknown side ...

Two rare cosmic collisions around the young star Fomalhaut were caught by space telescopes, offering new clues about how planets form.

Pluribus imagines Kepler-22b as an ocean world that sends a gift to humanity through radio waves. In real life, no such ...

The James Webb Space Telescope has been helping scientists explore the cosmos for years now, but there are still plenty of ...

Astronomer Avi Loeb argued that other objects like interstellar visitor 3I/ATLAS could be useful for reaching out to aliens, if they exist.

Two cosmic collisions near the star Fomalhaut solve the mystery of a disappearing "planet" and show rare planetesimal crashes ...

How common are Earth-like planets in the universe? When I started working on supernova explosions, I never imagined that my ...

Avi Loeb says interstellar objects such as 3I/ATLAS could carry time capsules into deep space faster than spacecraft built with 1970s technology ...