These celestial objects look like asteroids but act like comets now come in two flavors.Naomi Hartono (NASA)
Scientists say cometary dust affects interpretation of spacecraft measurements, reopening the case for comets as potential sources of water for early Earth.science.nasa.gov
With NASA’s fleet of heliophysics spacecraft, scientists monitor our Sun and investigate its influences throughout the solar system.science.nasa.gov
Find out how comets are connected to some of our favorite annual astronomy events with November's Night Sky Notes!science.nasa.gov
Comet C/2023 A3 (Tsuchinshan-ATLAS) passes over NASA’s Michoud Assembly Facility in New Orleans in this Oct. 13, 2024, image. This comet comes from the OortNASA
The Solar and Heliospheric Observatory (SOHO) has captured images of the second-brightest comet to ever pass through its field of view, comet C/2023 A3 Tsuchinshan-ATLAS.science.nasa.gov
NASA astronaut Matthew Dominick captured this timelapse photo of Comet C/2023 A3 (Tsuchinshan-ATLAS) International Space Station as it orbited 272 miles aboveNASA
The Solar and Heliospheric Observatory (SOHO) has captured images of the second-brightest comet to ever pass through its field of view, comet C/2023 A3 Tsuchinshan-ATLAS.science.nasa.gov
Inspired by the half-human, half-horse creatures that are part of Ancient Greek mythology, the field of astronomy has its own kind of centaurs: distant objects orbiting the Sun between Jupiter and Neptune.science.nasa.gov
The mirrors for NASA’s Near-Earth Object Surveyor space telescope are being installed and aligned, and work on other spacecraft components is accelerating.Anthony Greicius (NASA)
NASA’s near-Earth-object-hunting mission NEOWISE is nearing its conclusion. But its work will carry on with NASA’s next-generation infrared mission: NEOAnthony Greicius (NASA)
As the infrared space telescope continues its long-duration survey of the universe, it is creating a unique resource for future astronomers to make newAnthony Greicius (NASA)
On March 25, 2024, a citizen scientist in the Czech Republic spotted a comet in an image from the Solar and Heliospheric Observatory (SOHO) spacecraft, which has now been confirmed to be the 5,000th comet discovered using SOHO data.science.nasa.gov
The asteroid and comet-hunting infrared space telescope has gathered an impressive haul of observations, but it’s now at the mercy of the Sun, which isNaomi Hartono (NASA)
