Nature
Articles about the natural world and its phenomena.
Acherontia styx
Acherontia styx — the Asian death's‑head hawkmoth
Agano River
Amber
Amber — fossil resin used in jewelry, science and cultural history
Amber is fossilized tree resin prized for jewelry, inclusions and historical significance. It ranges from ancient, fully polymerized resins to younger copal and occurs in a variety
Ambergris
Ambergris: origin, properties, history and uses
Amethyst
Amethyst — the violet variety of quartz
Ancient woodland
Animal track
Animal track: footprints, identification, and fossil traces
Annapurna I Main
Annapurna II
Annapurna II: overview, geography, and climbing history
Appeal to nature
Appeal to Nature (informal logical fallacy)
Aquanaut
Aquanaut: underwater resident — history, roles, physiology and habitats
Archedictyon
Area of Outstanding Natural Beauty
Area of Outstanding Natural Beauty (AONB)
Artificial
Astraphobia
Atlantic hurricane
Aurora
Aurora (northern and southern lights)
Autumn
Avalanche
Avalanche: Causes, Types, Hazards and Safety
Backpacking (wilderness)
Bardiya National Park
Bardiya National Park, Nepal
Beijing Museum of Natural History
Bird bath
Birdwatching
Blackwater river
Blindness
Bluebell wood
Bocage
Bocage: hedgerow landscapes, their form, ecology, and historical role
Bog
Bog (peatland): ecology, formation, uses and conservation
Brazilianite
Brazilianite: yellow‑green phosphate mineral from pegmatites
Bristle
Bukit Timah Nature Reserve
Butterfly gardening
Butterfly Gardening: Creating Habitat to Attract and Support Butterflies
Calm
Calm: meaning, traits, history, and uses
Camouflage
Camouflage: nature’s visual disguise — forms, function, and uses
Camouflage is a visual strategy used by animals and humans to blend with surroundings or mislead observers. This article explains types, mechanisms, biological examples, history, a
Candida
Candida: common yeasts, ecology, and human disease
Canyon
Canyoneering
Canyoneering (Canyoning): Exploring Canyons by Rappelling, Swimming, and Scrambling
Cape Verde-type hurricane
Carnelian
Carnelian: a reddish-brown variety of chalcedony used as a gemstone
Cascade
Cave
Caving
Caving (Spelunking): Exploring Underground Landscapes
Cenote
Cerulean
Charnia
Chest
Chest (Thorax): Structure, Function, and Variations Across Animals