Australian Geographic on Instagram: "This shark doesn't just swim... it ‘walks’!🚶‍♂️ The epaulette shark uses its paddle-like fins to move across the seabed, while using its sense of smell and electroreception to track its prey. 📺 Australian Geographic Extraordinary Animals now streaming for free on SBS On Demand @sbsondemand #ausgeo #extraordinaryanimals #shark"

Galaxies on Instagram: "Laika was the little stray from Moscow who became the first living creature to orbit Earth in 1957. She never came home, but her journey marked the moment our species truly began leaving the planet. A tiny dog in a metal capsule, circling a world that barely knew her name — reminding us that every great leap forward is paid for with courage, wonder, and heartbreaking sacrifice."