Oct. 23, 1893: Birth of Ernest Opik
Back to Article List Today in the history of astronomy, the first person to propose the Oort Cloud…
NASA’s Moon Orbiter Spots New, ‘Once-in-Century’ Moon Crater
It started as a routine data-quality check. But as Robert Wagner, a scientist with NASA’s Lunar Reconnaissance Orbiter…
Celebrate International Observe the Moon Night with NASA
In April, the world watched as four humans circled the Moon for the first time in over 50…
What’s Up: August 2026 Skywatching Tips from NASA
A solar eclipse, the Perseids, bright Venus after sunset, and a deep partial lunar eclipse highlight August’s skywatching.…
NASA Sets Coverage for August Northern Hemisphere Total Solar Eclipse
On Wednesday, Aug. 12, a total solar eclipse will be visible in parts of Greenland, Iceland, northern Russia,…
NASA’s MAVEN Illuminates New Understanding of Auroras at Mars
NASA MAVEN (Mars Atmosphere and Volatile Evolution) mission scientists have uncovered a key puzzle piece in understanding certain…
NASA’s Psyche Mission Delivers Mars Flyby Data, Time-lapse Video
This time-lapse video shows the approach, close approach, and departure of NASA’s Psyche spacecraft at Mars as it…
NASA’s New Horizons Spacecraft Wakes from Hibernation in Good Health
Following its longest hibernation period ever of nearly a year, NASA’s New Horizons spacecraft has emerged in good…
What’s Up: July 2026 Skywatching Tips from NASA
A predawn Moon-and-planets meetup, a returning comet, a great chance to see the Milky Way, and Saturn’s rings…
NASA’s Webb Finds Clues to Ancient, Distant Origin of Comet 3I/ATLAS
As interstellar comet 3I/ATLAS began moving away from the Sun in December 2025, astronomers took the opportunity to…
NASA’s Lucy Reveals Wobbling, Peanut-Shaped Asteroid
Even small asteroids lead complex lives. During its flyby of the asteroid Donaldjohanson last year, NASA’s Lucy spacecraft…
Humans will soon be able to spend longer in space
Space stations with artificial gravity that will allow humans to travel deep into the Solar System are on…