On This Day in Space: May 1, 1949: Neptune's moon Nereid discovered
On May 1, 1949, Neptune's moon Nereid was discovered by the Dutch astronomer Gerard Kuiper.
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 Daisy Dobrijevic last updated
Reference Solar wind is composed of charged particles and the sun's magnetic field and is continually released from our star. Explore the phenomenon in more detail here.