The highest observatory on Earth sits atop Chile's Andes Mountains — and it's finally open
A new Japanese observatory built high in the Chilean Andes mountains promises fresh views of the early universe.
By Elizabeth Howell published
The United States and Canada aim to upgrade NORAD to deal with emergent space threats from nations like China or Russia. Canada will hold an industry day May 1 to gather more ideas.
By Robert Lea published
Gamma-ray bursts are the universe's most powerful explosions, generating more energy in seconds than the sun will in billions of years — and scientists are slowly learning more about these eruptions.
By Douglas Vakoch published
NASA's Europa Clipper spacecraft, headed to Jupiter’s ice-covered moon Europa in October 2024, will carry a laser-etched message that celebrates humanity’s connection to water.
By Fabian Klenner published
As a planetary scientist and astrobiologist who studies ice grains from Enceladus, I'm interested in whether there is life on this or other icy moons. I also want to understand how scientists like me could detect it.
By Joe Rao last updated
Reference The month of May is not a very good one for planet observers.
By Scott Snowden last updated
A veritable treasure trove of sci-fi is available at your fingertips
By Scott Snowden last updated
A veritable treasure trove of sci-fi is available at your fingertips