This long-duration comet will make its closest approach to Earth this fall, before disappearing into the outer solar system ...

Astronomers have made an unexpected and groundbreaking discovery in our solar system—a ring system forming around Chiron, a ...

Analyses of its emissions using NASA’s Neil Gehrels Swift Observatory indicate that the interstellar comet probably has a ...

Astronomers are investigating a potential hidden planet, dubbed Planet Y, far beyond Neptune. Its gravitational pull is ...

From lava worlds to gas giants, NASA says the variety of these worlds is staggering—and that signs of a further 8,000 distant ...

Astronomers have detected one of the darkest objects ever seen at a record cosmic distance—only with the assistance of ...

Spirals of solar wind can spin off larger solar eruptions and disrupt Earth's magnetic field, yet they are too difficult to ...

Warm Jupiters are rewriting the rules of planet formation - showing eccentric orbits that stay strangely aligned with their ...

Scientists at Brazil’s Pico dos Dias Observatory have, for the first time, successfully observed the process of formation of ...

I/ATLAS is interstellar comet? Scientists are analyzing its nickel and iron ratio to understand how comets form across star systems. Observations from the Very Large Telescope in Chile show how nickel ...

The uncommon interstellar visitor, comet 3I/ATLAS, is captivating astronomers worldwide as it races through our solar system ...