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Touching the Sun

Despite its familiarity, the Sun is a very different presence...

Glowing sun in space

Black Holes and Bangs

Space itself is wobbly. We exist on a choppy sea...

Solid black circle surrounded by swirling particles

A Mirror in the Sky

The Hubble Space Telescope is the most famous astronomical instrument...

Hubble telescope above Earth

(Mis)Adventures in Deciphering Fast Radio Bursts

How certain bursts of radio waves turned out not to...

First light: Revealing the Early Universe

The final lecture in the series returns to the theme...

A satellite dish in the night sky full of stars

Is it Aliens? The Most Unusual Star In The Galaxy

Boyajian's star, a faint and unprepossessing presence in the constellation...

An artists impression of KIC 8462852 or Tabby's star

Pulsars, Microwave Ovens and the Radio Sky

There have been two major revolutions in how we look...

A bright light in space with asteroids in the foreground

Alien Earths: What Makes Us Special?

Sometime in 2026, we will discover our 10000th exoplanet, a...

Two planets against a backdrop of a glowing blue nebula and scattered stars

From Mars with Love: Postcards from 50 Years of Exploring The Red Planet

During the fifty years since the launch of the Viking...

Image of Mars viewed from space

How It Ends: What We Know about the Fate of the Universe

How will it all end? Predicting the far future of...

Image of a black hole