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

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 ...

How old is interstellar comet 3I/Atlas? How do we know it is coming from interstellar space? Will it hit Earth? What is its ...

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 ...

Sagittarius B2, a massive molecular cloud near the center of the Milky Way, is densely packed with stars and complex magnetic ...

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.