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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

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

Island Universes: Discovering Galaxies Beyond the Milky Way

The discovery that we live in an ordinary galaxy, one...

swirling galaxy in space

Asteroid Adventures

Asteroids were for years considered 'celestial vermin' – objects which...

a cgi asteroid shown in space with planet earth in the background

The Biggest Cosmic Map

Mapping the stars is, perhaps, the oldest of astronomical pursuits...

Artist impression of ESA's Gaia satellite observing the Milky Way

A New Sky

The JWST is the most expensive and powerful telescope astronomers...

a man looking at the JWST

The Universe’s 100th Birthday: Galactic Fireworks and Little Red Dots

100 years ago this year, Edwin Hubble published the first...

Interacting spiral galaxies Arp 273, with the larger galaxy tidally distorted into a rose-like shape by its companion

A Mirror in the Sky

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

Hubble telescope above Earth

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

'Oumuamua: Our first interstellar visitor

In 2017, the Solar System was visited by an object...

Long, flat asteroid-like object against backdrop of space and planet earth