There's been a growing movement to develop new technologies to replace at least some of the animals used in scientific research. Researchers across Canada are working to create these tools, to usher in a new animal-free era for medical science.

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• Harbor seals can 'talk' thanks to their parrot-like brains
• 'Flaming hot' water ice may explain Neptune and Uranus' strange magnetism
• A thigh bone that could represent the oldest evidence of our human lineage
• The ravens of Yellowstone remember where wolves typically kill their prey

On their mission around the moon, Jeremy Hansen and his crewmates will become the only four people on Earth to ever lay eyes on the entire far side of the moon. Since joining the space program, the Artemis astronauts have been undergoing intensive geological training to help train their eyes to look for lunar features that satellites can't pick up.

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• How Neanderthals skillfully hunted and butchered a giant elephant
• Filming fish over their lifetime reveals behaviours that lead to longevity
• How our food environment shapes our tastes — and health

New research confirms that dogs were the first animal to form a domestic relationship with humans, dating back to the end of the last Ice Age almost 16,000 years ago.

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• Constructing shelters out of Martian soil may be possible with bacterial help
• Male-on-male cricket 'twerking' and 'booty bumping' is not a case of mistaken identity
• Narrowing down potential alien signals from 12 billion to 100, thanks to SETI
• Researchers find a brain switch in mice to turn a deadbeat dad into a doting one