Astronomers have discovered more than 300 exoplanetary systems that have three or more known planets. Most of these planets are about the same size and spaced close together, earning them the moniker ...

The shocking findings were part of a recent study in which astronomers effectively peered back in time to discover what Jupiter was like in its early years. Jupiter is not only the largest in the ...

Manhattan-sized comet 3I/ATLAS — which scientists suspect could have extraterrestrial origins — will reach its closest ...

The Juno spacecraft was launched towards Jupiter in August of 2011 as part of the New Frontiers series of spacecraft, on what would originally have been a 7-year mission, including a nearly 5 year ...

The ESA's Jupiter Icy Moons Explorer (JUICE), which launched in April 2023, has completed another successful flyby aimed at boosting its speed ahead of a Jupiter orbital insertion sometime in 2031.

No way on Earth you could ever see Jupiter off to one side the way Juno sees the planets. That's what makes this first photo of Jupiter and several of its brightest moons so intriguing. The Great Red ...

After nearly 10 years, NASA’s Jupiter explorer Juno is likely no longer operating with its latest mission extension ending during the ongoing U.S. government shutdown.

Observing 3I/ATLAS in this active phase will give some of the clearest insights yet into the mystery of interstellar comets. The European Space Agency is making use of spacecraft designed for Mars and ...