Time to Ponder
Physicists will meet in Italy in September to ponder the science of time travel. Although they probably won’t invent any…
Listening to Mars
The InSight lander deployed this seismometer to listen for marsquakes. It may have heard one on April 6. The seismometer…
Cold Dragonfly
An artist’s concept shows the Dragonfly drone above Titan, the largest moon of Saturn. NASA recently approved the mission for…
New Explorers
A model of a new Moon lander, Peregrine, is shown on a simulated lunar surface. It is one of two…
Unveiling a Supernova
This Hubble Space Telescope image shows a portion of the Veil Nebula, formed by the expanding shock wave of an…
Echoes of a Black Hole
This X-ray image reveals “echoes” of light emitted by a disk of gas around V404 Cygni, a black hole in…
Distant Sparklers
The brilliant stars of Messier 7 sparkle against the background of the Milky Way in this view from the European…
Messy Merger
A pair of galaxies is staging a messy merger about 230 million light-years away, in the constellation Hercules. Known together…
Spooky Star
Swirls of gas surround a pair of stars that may someday explode as gamma-ray bursts. The swirls reminded astronomers of…
Cosmic Jewel
A golden scarab beetle made of glass highlights this pectoral worn by King Tutankhamen more than 3,000 years ago. The…