New void discovered in Khufu Pyramid

A large cavity newly identified in the Great Pyramid at Giza is of unknown purpose, says ScanPyramids team-member Mehdi Tayoubi.

He spoke with Roland Pease on the BBC's Science In Action programme.

2 November 2017

An aerial view of the Palm House at Kew Gardens.

How to move 1,300 plants for Kew's Palm House mega makeover

The world-famous Palm House at the Royal Botanic Gardens Kew in London is about to undergo a massive makeover.

Science & Environment

Composite image of the starship safely in its chopsticks, and when it set on fire

Watch: The ups and downs of SpaceX's 13 Starship test flights

The BBC's Ricky Boleto looks how previous SpaceX test flights went.

Science & Environment

Split screen of a colourful tiny hair-like structures (L), and a colourful slug (R)

See tiny organisms on show in microscopic video competition

The winning video features tiny hair-like structures, called cilia, in the airways of a child with a rare genetic disease.

Science & Environment

The Moon has a red tinge as it rises above clouds during the partial eclipse over Anaheim, California

Watch: Stargazers around the world glimpse 'Blood Moon' lunar eclipse

Some parts of the globe had a chance to see the rare event when the Sun, Earth and Moon line up in the night sky.

Science & Environment

(Left) BBC Weather presenter Ben Rich, (right) three people covering their heads with umbrellas.

Watch: How does El Niño affect world weather?

The powerful natural climate phenomenon, that is developing over the Pacific Ocean, is likely to be the strongest in living memory, the Met Office has warned.

Science & Environment

A splitscreen of the interior of a race car and an external shot of the yellow hydrogen-powered race car.

Watch: Hydrogen car breaks land speed record at 406 mph

The new record surpasses the previous official hydrogen combustion title set in 2004 by more than double the speed.

Science & Environment

Rare footage shows wildlife drinking from pond due to drought

Science & Environment

Orca swimming vertically surrounded by bits of fish

Watch: Orcas ram into fish so hard they explode

Science & Environment

Runners set off from the snowy starting line in full thermal gear and goggles

Marathon runners compete on drifting sea ice at North Pole

Organisers say 23 runners from seven countries took part in races at the Arctic's geographic North Pole.

Science & Environment

The Soyuz-2.1a booster rocket with the Soyuz MS-29 spacecraft lifts off from the launch pad at the Baikonur Cosmodrome, Kazakhstan,

Watch: New ISS crew blasts off from Kazakhstan

The Soyuz spacecraft will carry Nasa astronaut Anil Menon and cosmonauts Pyotr Dubrov and Anna Kikina to the ISS for an eight-month mission.

Science & Environment

A fox crouched on grass and staring at the camera

How can you help wildlife during hot weather?

Sophia Herod has some tips for helping animals that might visit your garden or neighbourhood.

Science & Environment

A weather presenter stands in front of a screen showing heavy rains over Taiwan

Watch: Typhoon Bavi forecast to bring heavy rains and floods to Taiwan, Japan and China

See how the powerful storm is expected to move across east Asia on Saturday.

Science & Environment

Green southern lights seen above earth from space.

Watch: Southern Lights timelapse filmed from space

This occurrence of aurora australis, or Southern Lights, was captured by Nasa astronaut Jessica Meir.

Science & Environment

Great white shark swimming in the ocean followed by black and white fish

Rare footage captured of Great White shark in Mediterranean Sea

A volunteer diver has described shaking as he filmed his encounter with an endangered Great White shark between Tunisia and Sicily.

Science & Environment

On the left, a rocket explosion. On the right, Pallab Bhosh wearing a dark blue jumper.

What does Blue Origin rocket mishap mean for Nasa's Moon mission?

Science correspondent Pallab Ghosh explains why the explosion is a setback for space exploration.

Science & Environment

A massive explosion at a rocket launch pad during the night.

Moment Blue Origin rocket explodes during test in Florida

A Blue Origin New Glenn rocket exploded on a launch pad at Cape Canaveral in Florida on Thursday night.

Science & Environment

King Charles III writes a letter from a desk in front of a window in Buckingham Palace. He is wearing a blazer and a purple tie.

King Charles sends Attenborough a birthday message with help from 'friends'

In a video message from Buckingham Palace, wildlife helps the King deliver a birthday card for Sir David Attenborough.

Science & Environment

Orangutan crossing a bridge in the forest.

Watch: How one orangutan braved new bridge to unite his split community

The forest where the Sumatran orangutans live has been split by a road.

Science & Environment

New footage shows moment Orion capsule hatch is opened at sea

Newly released video shows the moment the hatch of Artemis II's Orion capsule is unlocked to a joyful reunion with the four astronauts.

Science & Environment

Steve Backshall split screen with two orcas

'Unbelievable!': Backshall overjoyed at rare sighting of orcas

Steve Backshall spotted two of the UK's last surviving orcas which he described as one of his "greatest British wildlife moments".

Science & Environment