In the world of astronomy, space telescopes are celebrated for their size. Even before it launches to space, the James Webb Telescope was showing off its massive 21 feet-wide, 4-inch-thick mirror.

Astronomers using NASA’s Transiting Exoplanet Survey Satellite (TESS) telescope have used a new detection technique to discover an unusual planet that orbits two stars. The planet TIC 172900988b has ...

Astronomers continue to exoplanet discoveries around distant stars — here are the most intriguing finds so far. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

The so-called Hycean planet K2–18 b is around twice the size of Earth and orbits in the habitable zone of a star located 120 light-years from our solar system. When you purchase through links on our ...