The 3rd and final solar eclipse of the year falls on December 26. It's 2019's only annular or "ring" eclipse, taking place when the moon is near apogee, or its farthest point in orbit around Earth. At mid-eclipse, a ring of the sun's surface will appear around the moon.
The well-known bright star Betelgeuse - a red giant star, famous for its name and for the fact that it'll explode someday - has become noticeably dimmer since late October. Here's what astronomers think is happening.
Thirty-two years ago, Supernova 1987A erupted in the nearby Large Magellanic Cloud. Astronomers using the ALMA radio telescope now say they've found the small, compact neutron star created in this mighty star explosion.
Last month was the 2nd warmest November in the 140-year global climate record, and polar sea ice coverage shrank to near-record lows, according to a NOAA report. .
The Juno spacecraft's last perijove - or closest point to Jupiter - resulted in a treasure trove of images. Its next perijove is coming up on December 26. Get updated here, and view Juno's latest amazing images.
The European Space Agency has successfully launched its CHEOPS space telescope, the 1st of 3 planned missions to study distant exoplanets in greater detail than ever before.
Scientists found fossilized root systems of ancient trees - from what's now Earth's oldest known forest - near Cairo, New York. They looked "surprisingly modern," the scientists said.