See 6 Planets Align on January 21
Alignments of five or more planets are rare—there will be two more featuring five or more planets this year, but after that the next won’t happen until 2040.
Check Out These Extraordinary New Images of Mercury
New photos of Mercury taken during the joint European and Japanese BepiColombo mission reveal fascinating details of the small rocky planet.
You Have NASA to Thank for Wireless Headphones and Vacuum Cleaners
The space agency’s Spinoff project displays the countless everyday technologies that were spurred by space-related research.
GPS Is Vulnerable to Attack. Magnetic Navigation Can Help
Signals from the global navigation satellite system can be jammed and spoofed, so a Google spinout is working on an alternative positioning and navigation system that uses the Earth’s magnetic field.
A Glowing Metal Ring Crashed to Earth. No One Knows Where It Came From
The 1,100-pound mystery object landed in Kenya at the end of December. Experts are still baffled.
The Brightest Comet of 2025 Is Coming. Here’s How You Can See It Shine
On January 13, Atlas C/2024 G3 will reach its closest point to the sun.
NASA Wants to Explore the Icy Moons of Jupiter and Saturn With Autonomous Robots
Research and development is underway to create robots that can hunt for signs of life in the vast oceans that exist under the thick ice shells of bodies like Europa.
NASA Wants to Explore the Icy Moons of Jupiter and Saturn With Autonomous Robots
Research and development is underway to create robots that can hunt for signs of life in the vast oceans that exist under the thick ice shells of bodies like Europa.
Elon Musk Calls Out NASA’s Moon Ambitions: ‘We’re Going Straight to Mars’
NASA has plans to return humans to the moon with the Artemis mission—but Elon Musk’s preference for Mars could have influence in the Trump administration.
How to Watch the Final Meteor Shower of 2025
Conditions in the US should be perfect for the final meteor shower of 2025, with no moonlight present to interfere with spotting shooting stars.