Atmospheric refraction transforms the setting Sun into surreal, stretched forms off Sardinia’s coast—a long telephoto capturing physics pirouetting with the horizon in dreamlike sequences.

Hubble turns 36 with a fresh Trifid Nebula portrait—a star-forming nursery captured in sharper detail, revealing cosmic changes on human time scales through upgraded cameras.

A two-day-old Moon near perigee flirts with the Pleiades—earthshine paints the dark side silver while clouds add a cosmic corona to the celestial rendezvous.

Chandra X-ray Observatory finds young stars calm down and dim their X-ray output faster than expected—meaning planetary systems may find a quieter X-ray neighborhood sooner than models predicted.

DESI at Kitt Peak has cataloged 47 million galaxies and quasars in a 3D map—dark energy remains cosmology’s biggest mystery, and the full dataset analysis is still ahead.

Released for Earth Day, Artemis II’s photo shows the terminator—the line between night and day—sliding across Earth’s brilliant blue face, a reminder that we all share the same sunrise.

Hubble’s latest Crab Nebula portrait combines vintage images and multiwavelength data—tracking a 1054 CE supernova remnant whose pulsar still blasts a wind of charged particles at 30 spins per second.

A three-arch panorama from the Alps: the Milky Way’s inner and outer arcs bridged by zodiacal light—a 40-hour stitched symphony of galactic structure and solar dust.

NASA’s X-59 quiet supersonic aircraft lifts off over the Mojave—designed to minimize sonic booms and change the soundtrack of flight from roar to respectful hum.

Comet C/2025 R3 PanSTARRS threads its ion tail through Himalayan peaks—a dawn-dressed visitor making its northern debut before drifting south for the farewell tour.