Astronomers have discovered a massive, double-lobed radio jet stretching 200,000 light-years from a quasar that existed when ...

The impact on the oceans if the Moon disappeared would be much smaller tides, about one-third the size of what they are now.

Families looking for a fun and educational half-term activity can visit the Greenwich Planetarium throughout the school holidays.

We asked an astronomer what you can see from London in the night sky this month – and one of them is incredibly rare.