Truly extraordinary Megalaser shooting at us from halfway across the universe is the brightest cosmic beacon weve ever seen Live Science

Friday, Nov. 21, 2025: Your daily feed of the biggest discoveries and breakthroughs making headlines.

The first full moon of 2026 and of winter in the Northern Hemisphere will shine brightly this week, just as Earth makes its annual closest approach to the sun.

In a dazzling new photo, the James Webb Space Telescope zooms in on the Butterfly Nebula — the dying gasps of one of the hottest stars in the sky, which…