A team led by the Trottier Institute for Research on Exoplanets (IREx) has achieved the most precise study to date of the L 98-59 planetary system ...

Astronomers have, for the first time, captured what they believe are the very first moments of rocky planet formation around ...

The celestial body's unusual orbit “implies that something extraordinary occurred" in the early days of the solar system—and ...

Astronomers have discovered "Ammonite," a mysterious object on the solar system’s edge whose unusual orbit challenges current ...

Earth's famous Hubble Telescope has just revealed the first images of a mysterious interstellar object racing through our ...

Jupiter's moon Europa, which was often pictured as a still, silent shell may be home to a giant liquid water ocean that holds ...

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Evidence that rocky planets beyond Jupiter formed as rapidly, and at the same time, as the inner planets could transform our understanding of how planets take shape — not only in our solar system, but ...

KQ14, nicknamed “Ammonite”, was discovered using the Subaru Telescope and is a highly elliptical object with a perihelion and aphelion that places it beyond the ...

Similar deep-sea volcanoes found on Earth support microbial life that lives inside solid rock without sunlight and oxygen. Some of these microbes, called thermophiles, live at temperatures hot enough ...

In the dark, icy outskirts of our solar system—far beyond Neptune's orbit—astronomers have discovered a cosmic oddball that ...

An oddly tilted object beyond Neptune moves in perfect sync, one orbit for every ten of Neptune’s, and scientists are ...