NASA has posted a sampling of some of the most awe-inspiring photos of Mars, to celebrate the 15th anniversary of the launch of Mars Reconnaissance Orbiter. They are proof that Mars is a very photogenic world.
Asteroid ZTF0DxQ - now officially labeled 2020 QG - now holds the record for the closest flyby of Earth. It swept just 2,000 miles (3,000 km) from Earth's surface, or about a quarter of the diameter of Earth itself.
Observations with the Hubble Space Telescope revealed a large amount of dense hot gas moving outwards through Betelgeuse’s extended atmosphere. This gas might have cooled and formed a dust cloud that partially blocked the star's light as seen from Earth, earlier this year.
NASA's 2nd planet-hunter, TESS, has spent 2 years surveying the sky for exoplanets orbiting distant stars. It has found over 2,000 exoplanets so far. TESS now moves into its extended mission phase.
The mysterious bright spots on Ceres caused a sensation when the Dawn spacecraft first spied them in 2015. Now, they're known to be salt deposits from a recent or ongoing percolation of briny water from a large reservoir in Ceres' interior.
This distant galaxy - SPT0418-47 - surprised astronomers by being organized enough to have a spinning disk and a galactic bulge, early in the history of our universe.
A new study suggests that distant stars in our Milky Way galaxy might be orbited by as many as 7 Earth-like planets, in the absence of a gas giant planet like Jupiter.
Researchers have discovered a giant atmospheric wave-like phenomenon in Venus' lower atmosphere, unlike anything else seen in the solar system. Evidence shows it has existed since at least 1983, but went completely undetected until now.