Jupiter's Great Red Spot has been an object of fascination for astronomers for a long time, but it still manages to surprise ...

Researchers using the Hubble Space Telescope have discovered water vapor in the atmosphere of planet K2-18b, located about ...

After Christmas dinner in 2021, our family was glued to the television, watching the nail-biting launch of NASA's US$10 ...

The Mauve telescope, developed by London-headquartered start-up Blue Skies Space, is the size of a small suitcase and carries ...

I/ATLAS, a mysterious interstellar object racing toward the Sun, is baffling scientists with its speed and origin. Some ...

NASA's Voyager 2 spacecraft captured dark streaks produced by geysers visible on the icy surface of Triton's south polar ...

Data from the James Webb Space Telescope and other observatories suggests a supervolcanic exomoon may lurk around the giant ...

We actually know very little about what's going on inside Uranus and Neptune, causing researchers to propose that these ...

A natural satellite is simply a celestial object that orbits a planet or a smaller body. Unlike the ones we build and send up ...

Anyone who studies planetary formation would relish the opportunity to get a close-up look at an interstellar object. Sending ...

Science history On the night of Oct. 5, 1923, Edwin Hubble observed a strange star that flickered in intensity at regular ...