The two alien worlds make extremely close approaches to each other every 97 days, on average; during those cosmic family reunions, the two planets are separated by less than five Earth-moon distances.

Scientists are tracking a large gas planet experiencing quite a quandary as it orbits extremely close to a young star - a ...

Far beyond the eight familiar planets in our solar system, ... Alien planets that really exist. Brandon Specktor. Sat, May 17, 2025 at 3:30 PM UTC.

THE James Webb Space Telescope has discovered its first-ever exoplanet – a distant world hidden by the glare of its nearest star. The landmark discovery marks a new era for alien-hunters, ...

Comet or asteroid heading for the Sun is only the third time an interstellar object has been spotted inside our group of ...

Named TOI-4465 b, the exoplanet caught astronomers' attention as it acts as a bridge between scorching gas giants and ice ...

NASA launched two 12-inch gold-plated copper disks filled with the sounds of children's laughter, heartbeats, and bird calls.

Solar flares, blasts of plasma gasses of solar energy might shape the short-term weather on distant planets according to a ...