A new crew is heading to the International Space Station, just in time for Thanksgiving, to continue important research.

A pair of quasars that existed when the universe was only 3 billion years old has been spotted by the Hubble Space Telescope.

Scientists have observed cryovolcanoes erupting on comet 3I/ATLAS — giving us a new clue about what's inside it.

Using the Webb telescope’s powerful Near Infrared Imager and Slitless Spectrograph (NIRISS) instrument, the team detected a sprawling helium cloud known as an exosphere. This exosphere stretches ...

Still, science being science, we needed proof—and we got it in 1992, when two astronomers found two planets orbiting a pulsar ...

Hubble Space Telescope observations of white dwarf star G238-44 has shown that it is "consuming both rocky-metallic and icy ...

By Tom Hawking Published Nov 30, 2025 9:00 AM EST Tayfun Coskun/Anadolu via Get the Popular Science daily newsletter💡 ...

As twilight deepens the week of November 24 to 28, the waxing crescent moon appears in the south to southwest, above the setting Teapot asterism.

NASA will host a live event at 3 p.m., Wednesday, November 19, to share imagery of the interstellar comet 3I/ATLAS.

A University of Arizona-led team has used a camera orbiting Mars to capture the closest images yet of a rare interstellar ...

NASA is providing more images and information about the interstellar object that's passing through our solar system right now ...

Comet 3I/ATLAS was discovered on July 1 by the Asteroid Terrestrial-impact Last Alert System (ATLAS). Its previous best ...