The Habitable Worlds Observatory is poised to tell us whether Earth-like planets are common—if it can get off the ground ...

Need a refresher about 3I/ATLAS? Here's everything to know about the interstellar object, including when the latest observations will be made.

The Chandra X-ray telescope and other observatories are being used to study stars that could potentially harbor habitable planets. Future observatories will use the data to narrow down the list for ...

For decades, Saturn’s upper atmosphere has been one of the solar system’s great enigmas. Even the Cassini spacecraft, which ...

The Hubble Space Telescope time-lapse captured footage of Jupiter, Saturn, Uranus and Neptune. Credit: SCIENCE: NASA, ESA, Amy Simon (NASA-GSFC), Michael H. Wong (UC Berkeley) / VISUALIZATION: Joseph ...

A comet from another star system is swinging by Mars as a fleet of spacecraft trains its sights on the interstellar visitor.

While I enjoy stargazing as much as the next person, I also love to know how things work – to get under the hood. French ...

New observations suggest that the dwarf planet Makemake is surrounded by faintly glowing methane gas. Scientists are unsure ...

Just two decades after astronomers discovered the first exoplanet, NASA has confirmed the existence of 6,000 alien worlds.

Lake Geneva, Wis., is a playground for Chicago’s wealthy, but there’s plenty to do for normies, too, and it’s a quick road trip away.