Planetesimal wrecks are raging around distant stars. With the Webb and Spitzer Space Telescopes, astronomers are learning what that looks like.

The post Webb and Spitzer Telescopes Explore the Planets That Never Were appeared first on Sky & Telescope.

The star at the heart of the oft-observed Helix Nebula powered a clumpy wind before it died. Now, new images capture these clumps’ dissolution into the space between stars.

The post The Helix Nebula is Hurling Clumps of Gas through Space appeared first on Sky & Telescope.

Scientists observing the Sun with the Daniel K. Inouye Solar Telescope have caught a wave-like shape that's never been seen on the Sun's visible surface.

The post Inouye Solar Telescope Sees the Sun Closer Than Ever appeared first on Sky & Telescope.

Brief but powerful flashes of radio waves are aiding astronomers' quest to find and map cosmic gas.

The post A New Way to Map the Universe's Missing Matter appeared first on Sky & Telescope.

Two teams of astronomers independently discovered a third giant gas planet orbiting in the famous Beta Pictoris system.

The post Famous System Has a Third Planet: Beta Pictoris d appeared first on Sky & Telescope.

The sharp-eyed and far-seeing Euclid space telescope has picked up 31 early quasars that have evaded detection until now.

The post Euclid Telescope Finds Quasars Within 700 Million Years of the Big Bang appeared first on Sky & Telescope.

The most recent interstellar visitor was crisscrossing our galaxy for some 10 to 12 billion years before it came near the Sun.

The post Interstellar Comet 3I/ATLAS Has Cold, Ancient Origins appeared first on Sky & Telescope.