A strange class of comet could explain the enigmatic behavior of ‘Oumuamua, the first known interstellar object—and even shed ...

Elisha Sauers writes about space for Mashable, taking deep dives into NASA's moon and Mars missions, chatting up astronauts ...

The probe is set to become the third human-made object to leave the solar system, but it must first cross this mysterious ...

City Labs’ BOHR satellite uses technology that has previously been the domain of state-funded scientific and military ...

Where does the solar system end and interstellar space begin? That's a question scientists have been working to answer using ...

Last year, an interstellar traveler entered our solar system. Some speculated that it was an alien spacecraft, but it turned ...

Guests unveil the plaque for the School of Space Exploration at the University of Chinese Academy of Sciences on Tuesday in Beijing. ZOU SHUO/CHINA DAILY The University of Chinese Academy of Sciences ...

For obvious reasons, the Sun’s influence weakens as you get closer to the edge of the solar system. But things might be a lot ...

For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the third known interstellar comet ever spotted. When scientists turned NASA’s ...

This series of images from NASA’s Hubble Space Telescope of the fragmenting comet C/2025 K1 (ATLAS) was taken over three days (Picture: NASA, ESA, Dennis Bodewits (AU)/Cover Images) An interstellar ...

An interstellar comet that recently passed through the solar system may have formed as long as 12 billion years ago, making ...

Astronomers have detected the first true sugar molecule in the space between stars — a four-carbon compound called erythrulose — and its presence narrows one of origin-of-life research's most ...