Vikings Were in the Americas Exactly 1,000 Years Ago by ...
By studying tree rings and using a dash of astrophysics, researchers have pinned down a precise year that […]
Science
Lucy Launches to Eight Asteroids
Why would this mission go out as far as Jupiter — but then not visit Jupiter? Lucy’s plan […]
Palomar 6: Globular Star Cluster
Where did this big ball of stars come from? Palomar 6 is one of about 200 globular clusters […]
How a Nuclear Bomb Could Save Earth From a Stealthy ...
An atomic blast is not the preferred solution for planetary defense, but 3-D models are helping scientists prepare […]
Earthshine Moon over Sicily
Why can we see the entire face of this Moon? When the Moon is in a crescent phase, […]
The Einstein Cross Gravitational Lens
Most galaxies have a single nucleus — does this galaxy have four? The strange answer leads astronomers to […]
Surprise Russian Thruster Firing Prompts Space Station Emergency by Joey ...
While the astronauts were said to not be in any danger, it was the second such incident since […]
The Moona Lisa
Only natural colors of the Moon in planet Earth’s sky appear in this creative visual presentation. Arranged as […]
NGC 289: Swirl in the Southern Sky
About 70 million light-years distant, gorgeous spiral galaxy NGC 289 is larger than our own Milky Way. Seen […]
Newly Discovered Bat Viruses Give Hints to Covid’s Origins by ...
Coronaviruses discovered in Laotian bats are surprisingly adept at infecting human cells, showing that such deadly features can […]