A powerful technique helps scientists 'fingerprint' starlight.
The collapsed remains of massive stars are regions of powerful gravity.
Astronomers find a star that exploded in the year 1054.
Hoyle puts forward an alternative to the Big Bang.
19th century astronomers use a great telescope to study spiral galaxies.
Professor Brian Cox and other experts explain the mysteries of the Universe.
Sir Patrick Moore looks back on over 50 years of The Sky at Night.
Experts explain what you can see in the night sky during the autumn.
You can see interesting things in the night sky during the spring and summer.
Find out what you can see in the night sky during the winter months.
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