When the biggest numbers don't add up
The different methods scientists use to measure cosmic expansion fundamentally disagree with each other.

Stephen Hawking's daughter on his final work

Lucy Hawking on losing her father and on the big questions his new book asks.
Lucy Hawking speaks to the BBC's Luke Jones about losing her father earlier this year and his new book which she has helped finish.
Science behind the blood moon
Friday night's lunar eclipse will last longer than any in the 21st Century.
Ashes laid to rest

Pallab Ghosh

Science correspondent, BBC News

Our science correspondent was inside Westminster Abbey for the famous physicist's memorial service.

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