Russia's Klyuchevskoy volcano, which is the tallest volcano in Europe and Asia, violently erupted on Nov. 1 and left behind a trail of smoke and ash that was photographed by NASA satellites.
The universe is not just expanding – its rate of expansion is accelerating. And that expansion rate is even faster than the leading theory predicts it should be, leaving cosmologists puzzled.
Researchers created a quantum gas containing two types of atoms on the ISS, in a first for space-based research.
Satellites observed a coronal mass ejection on Wednesday (Nov. 15), capturing a bright burst of super-hot plasma that warped the sun's magnetic field.
An icy volcanic comet that is three times as large as Mount Everest, nicknamed the "Devil Comet," erupted again Nov. 14. This is the fourth explosive event for 12P/Pons-Brooks since July 2023.
Sicily's Mount Etna volcano erupted on Nov. 12, and ESA satellites caught the event in infrared.
A new calibration technique allowed the ALMA radio telescope to capture its highest-resolution image ever, featuring a star in the final stages of its evolution.
Data from NASA's Kepler telescope shows why puffy sub-Neptunes are shrinking to rocky super-Earths.
The rocky exoplanet LTT 1445Ac, located about 22.5 light years away, has been observed transiting its star by the Hubble Space Telescope.
Jupiter's moon Io, the most volcanically active world in the solar system, may possess a global ocean of magma underneath its surface, as well as mysteriously warm poles, a new study finds.
Missing neon in a planet-forming disk of gas and dust indicates a change in radiation that's slowly eroding the disk.
Data from the deceased Cassini spacecraft offers astronomers an unconventional way to measure the optical depth of Saturn's rings.
The most energetic particles in the universe appear to emerge from sources within the Milky Way, our own home.
Astrophotographer Miguel Claro stitched together an eerie look at the core of our galaxy, the Milky Way, showing glowing lights in the dark.
A laser gyroscope at an underground lab in Germany has detected the minute variations in Earth's rotation, an advance that may help scientists build better climate models.
A sunspot has put on a stunning display of radio waves lasting for over a week that resembles the northern and southern lights — auroral displays that occur over Earth.
Supermassive black hole Sagittarius A* is spinning nearly as fast as it can, dragging the very fabric of space-time with it and shaping the heart of the Milky Way.
Fresh James Webb Space Telescope observations of exoplanet WASP-107b revealed sandy clouds high in its atmosphere.
A distant stellar corpse is coming back to life, exhibiting repeated explosive flares and representing a new type of "cosmic cataclysm."
Using ESA's ExoMars Trace Gas Orbiter, scientists have observed nightglow in Mars' atmosphere, a phenomenon where the night sky glows green, almost like an aurora.