Io orbits close to Jupiter at an average distance of 262,000 miles (422,000 km), completing its elliptical cycle once every 42.5 hours. Due to the shape of its orbit, the moon's d ...
"How and where particles are accelerated in the jets of supermassive black holes has been a long-standing mystery." ...
A new paper suggests intelligent extraterrestrials could be eating stars to fuel their sun-steering civilizations.
NASA’s James Webb Space Telescope just solved a conundrum by proving a controversial finding made with the agency’s Hubble ...
The mysterious exoplanet TRAPPIST-1b, located in the TRAPPIST-1 system 40 light-years from Earth, has once again captivated ...
TRAPPIST-1 b is one of seven rocky planets orbiting the star TRAPPIST-1, located 40 light-years away. The planetary system is ...
Astronomers analyzing archival images from JWST have discovered an unexpectedly vast population of the smallest asteroids ...
An exoplanet in the Trappist star system — a multi-planet star system similar to the solar system and just 39 light-years ...
The Hubble constant is still a mystery because measurements from telescopes in today’s universe give higher numbers than ...
Nicknamed the Firefly Sparkle, this galaxy existed just 600 million years after the Big Bang and gleams with 10 distinct star ...
Every star we see in the night sky is like our sun. Sure, some are larger or smaller, and some are hotter or cooler, but all work the same way. Each is a ...
An artist’s illustration of NASA’s James Webb Space Telescope revealing ... but they could still have a significant impact if ...