There are no confirmed exomoons, moons orbiting distant exoplanets in other solar systems. There are a few candidates, but ...

Is a sun a star or a planet? While science now agrees the sun is a star, new telescopes may soon challenge how we define ...

Astronomers using the W. M. Keck Observatory on Mauna Kea, Hawaiʻi, have spotted such a gruesome glimpse of stellar ...

Our solar system is much like a trail of microcosmic breadcrumbs: Follow the molecular bits as far back as they go, and you'll learn a thing or two about where many of our planets and other celestial ...

What can white dwarf stars eating their own planets teach astronomers about planetary and solar system formation and ...

Astronomers were surprised to find phosphine gas in the atmosphere of an ancient brown dwarf, Wolf 1130C, using the James ...

Scientists have detected methane gas glowing faintly above Makemake, an icy dwarf planet smaller and farther than Pluto in space. Until now, Pluto was the only object that far out in the solar system ...

Researchers at McGill University and collaborating institutions have mapped the atmospheric features of a planetary-mass ...

Astronomers recently peered deep into space and found that an old, faint white dwarf named LSPM J0207+3331, located about 145 light-years away, is still consuming the rocky remains of its former ...

Planetary scientist Adeene Denton runs computer simulations to investigate Pluto, the moons of Saturn and other icy bodies in the solar system.

Astronomers using data from the W. M. Keck Observatory on Maunakea in Hawaiʻi Island have identified a rare, ancient ...

Exciting space news! Astronomers have found evidence that Ceres, a dwarf planet (a.k.a. large asteroid) in between Mars and Jupiter, has water vapor plumes. The discovery, not unlike that of Jupiter's ...