Planetary nebula NGC 6537 is nicknamed the Red Spider Nebula for its narrow ‘body’ and spindly ‘legs’ that stretch into the cosmos. But in this new view from the James Webb Space Telescope, what leaps

Many of the most dramatic cosmic events take the form of explosions, from asteroid impacts to the Big Bang itself. Here are some of the most spectacular examples

The prevailing Nobel Prize-winning theory that the Universe is expanding at an ever-accelerating rate due to the unseen influence of dark energy has been called into question by a new study. Astronome

How do astronomers currently think the Universe is expanding? Astronomers have long believed the Universe is expanding at an accelerating rate, driven by what we call ‘dark energy’. This led to a mode

Damien Demolder considers...

Messier 35 is a superb open cluster near the foot of Castor in Gemini. It marks one corner of an isosceles triangle formed with mag. +4.2 1 Geminorum and Propus (Eta (η) Geminorum). Located 2,800 ligh