New Glasses
The tiny glass beads at the top of this image (shown with an Australian coin for scale) suggest that a…
Howling…But Not at the Moon
Despite the popular notion, wolves don’t actually howl at the Moon. They may how more during a full Moon because…
‘Leaky’ World
This artist’s concept shows the possible source of geysers of water and ice that are erupting from the south pole…
Hello, Mars!
An illustration from a 1908 magazine article by H.G. Wells shows one idea of life on Mars. On December 17,…
Confusing Planet
This artist’s concept depicts K2-18 b, a giant planet orbiting a faint red star (lower left). Some astronomers suggest the…
Geminids 2025
The Geminid meteor shower reaches its peak on the nights of December 12 and 13. If you trace its “shooting…
Hot Moon
Dozens of volcanic features shine brilliantly in this infrared view of Io, a large moon of Jupiter, captured by the…
SOHO at 30
The longest-operating space telescope for watching the Sun celebrates its 30th anniversary on December 3. SOHO (Solar and Heliospheric Observatory)…
Magnetic Beast
An artist’s concept depicts a magnetar — an ultradense stellar corpse with a magnetic field a trillion times stronger than…
Solar Blast
An enormous fountain of superheated gas erupts from the Sun in this recently released image from Solar Orbiter, a European…