The asteroid - 2020 VT4 - is estimated to be between 16 and 36 feet (5-11 meters). It skimmed the top of our atmosphere on Friday, November 13, 2020. Astronomers spotted it one day later.
Discovered last June, Comet C/2020 M3 (Atlas) is closest to Earth - millions of miles away - on Saturday, November 14, 2020. It's in an easy-to-find location, if you have a dark sky. Charts and photos here.
Like many worlds in our solar system, Mars has prominent impact craters. A particularly unusual example is shown in this new image from ESA’s Mars Express: an ancient triplet composed of 3 overlapping craters.
Exoplanet K2-141b is fiery hot world that circles so close to its star that 1 side of the planet features a deep ocean of molten lava. Meanwhile, the other side is freezing cold.
20 years ago, three astronauts stepped aboard the ISS. It's since hosted residents from many countries, creating humanity’s first history of living in space.
Researchers have found evidence for an ancient microbial ecosystem in a hydrothermal system beneath Mexico's Chicxulub Crater, thought to be the site of the impact that killed the dinosaurs 66 million years ago.
Scientists already had Psyche classified as a metallic asteroid, but new observations with the Hubble telescope reveal its rusty surface and provide scientists with a unique view into what Earth-like planets are like during their formation.
On October 29, NASA re-established contact with its Voyager 2 spacecraft, after the probe was left flying solo for 7 months while repairs were made to the radio antenna in Australia used to control it.