telescopen

Researchers at SLAC/Stanford used powerful X-ray beams to read hidden Greek astronomical notes beneath a medieval palimpsest, recovering star coordinates from Hipparchus—the oldes… Jan 24, 2026

Scientists are pushing two complementary approaches — a formation-flying coronagraph and a proposed Moon‑occultation mission called Mesom — to create artificial solar eclipses tha… Jan 24, 2026

James Webb’s aperture-masking interferometry has produced the sharpest infrared image yet of the Circinus galaxy’s central black hole, showing most emission comes from a compact d… Jan 19, 2026

The Event Horizon Telescope is mounting a focused observing campaign in March–April 2026 to assemble the first time-resolved sequence of the supermassive black hole in Messier 87,… Jan 18, 2026

Astronomers have identified a rare triple supermassive black hole system in the nearby galaxy NGC 6240, revealing three nuclei packed inside a kiloparsec and offering a new route … Dec 31, 2025

Comets Lemmon (C/2025 A6) and SWAN (C/2025 R2) are visible after sunset in the Northern Hemisphere on Oct. 23, 2025. Binoculars will help reveal their tails; this is a last good v… Nov 12, 2025