NASA says Hubble data show definitive evidence that the dwarf galaxy LKH merged with the young Milky Way in its earliest phases, extending known galactic history 1.8 billion years further back.
A new ESA animation flies around Schiaparelli Crater, one of the largest on Mars, built from Mars Express camera data and topography models.
Images taken August 11–12, 2026 by NASA’s Lunar Reconnaissance Orbiter show a lunar crater from a Falcon 9 upper stage impact. Scientists measured it as 60 feet wide and less than 10 feet deep.
On Aug. 18, 2026, NASA's Anil Menon and ESA's Sophie Adenot began a spacewalk at 8:29 a.m. EDT to replace a Space-to-Ground antenna outside the International Space Station.
NASA astronaut Anil Menon and ESA astronaut Sophie Adenot were preparing for a roughly six-and-a-half-hour spacewalk to replace a Space-to-Ground antenna at the International Space Station, NASA said on August 18, 2026.
NASA's Astronomy Picture of the Day for August 18, 2026 featured a compilation of Perseid meteor streaks captured over several nights from Jizerka in the Czech Republic, traced back to the shower's radiant in Perseus.
NASA named All Points Logistics, Blue Origin, Firefly Aerospace and L3Harris Technologies as awardees under an on-ramp provision to its Spacecraft Processing Operations Contract, a vehicle with a $100 million aggregate ceiling.
A NASA image released Aug. 17, 2026, combines Chandra, Webb and Hubble data to show 30 Doradus, or the Tarantula Nebula, about 160,000 light-years away in the Large Magellanic Cloud.
Five teams from 128 submissions and 49 countries reached the final phase of the Rock and Roll with NASA Challenge, testing rover wheel prototypes on July 31, 2026, at Johnson Space Center's Rock Yard.
NASA reported on Aug. 17, 2026, that Hubble data show evidence of a dwarf galaxy, LKH, merging with the young Milky Way about 11.8 billion years ago, extending the known history 1.8 billion years further back.
New Hubble observations, combined with Gaia data, identify a third population of globular clusters that points to a dwarf galaxy, named LKH, merging with the young Milky Way about 11.8 billion years ago.
NASA's Astronomy Picture of the Day for Aug. 16, 2026 featured a 2014 panorama of Silex Spring in Yellowstone and the Milky Way overhead.
