Mystery Ozone Surge Discovered in Mars’s Winter Darkness
A view of the north pole of Mars, created by taking images as seen by the European Space…
Perseverance Rover Captures Elusive Martian Aurora for a Second Time
Scientists have captured visible-light images of auroras glowing green above Mars, thanks to NASA’s Perseverance rover. (Artist’s concept).…
The Tiny Cosmic “Keyholes” That Could Send Asteroids Back to Earth
Asteroid deflection could backfire if the impact shoves the rock into a cosmic keyhole, a hidden trapdoor in…