Is spring really, finally here? What to know about the vernal equinox
It’s far from clear if the weather is planning to cooperate, but spring arrives — technically, at least…
NASA Invites Media to Learn About Upcoming X-59 Test Flights
NASA will hold a media teleconference at 5:30 p.m. EDT on Thursday, March 19 to highlight plans for…
Enrichment by the first stars in a relic dwarf galaxy
Flaugher, B. et al. The dark energy camera. Astron. J. 150, 150 (2015). Article ADS Google Scholar Beers,…
How fast is the universe expanding? Astronomers may be one step closer to resolving ‘Hubble trouble’
The local universe may be expanding more slowly than previously thought, scientists have found. The discovery, made in…
To Protect Artemis II Astronauts, NASA Experts Keep Eyes on Sun
As four astronauts travel around the Moon on NASA’s Artemis II mission, they will venture beyond Earth’s protective magnetic field.…
Timboy Chaco in the Mars borderlands photo of the day for March 16, 2026
NASA’s Mars rover Curiosity acquired this image of a pitted vertical rock face dubbed “Timboy Chaco” on March…
A complete set of canonical nucleobases in the carbonaceous asteroid (162173) Ryugu
Extraction and purification of organic molecules from samples The Ryugu A0480 (11.9 mg) and C0370 (8.3 mg) aggregate samples were…
The first modern rocket launched 100 years ago, beginning a century of both innovations and challenges for spaceflight
Apollo 11 first landed astronauts on the Moon in 1969, but the journey to the lunar surface actually…
NASA’s Curiosity Rover Cracks Open Martian Rock, and Makes an Unbelievable Discovery
NASA’s Curiosity rover uncovered a remarkable surprise on Mars that could reshape our understanding of the planet’s geological…
For the First Time, Astronomers Discover Dry Ice in Dying Star Nebula
For the first time, astronomers have discovered dry ice (carbon dioxide ice) in a planetary nebula, shedding new…