Editorial Team
The Terra Daily Editorial Team produces Terra Daily's coverage of Earth science and the environment. We report on climate, natural disasters, agriculture, oceans and water, earth observation, and the research shaping how we understand a changing planet. Articles reflect our team's collective editorial process, source verification, drafting, technical review, and editing, rather than a single writer's work. Terra Daily takes editorial responsibility for content under this byline. For more on how we work, see our editorial policy.
Mars can briefly produce Earthlike ground temperatures in equatorial sunlight, then plunge toward −84°C before dawn. The physics behind that swing exposes just how alien the planet remains.
Aug 7, 2026
Voyager 1 is transmitting from 25 billion kilometres away on a 22-watt radio — less power than a hallway bulb — thanks to decaying plutonium, a 3.7-metre dish, and 70-metre antennas on Earth listening for a signal that takes nearly a full day to arrive.
Aug 5, 2026
A typical fair-weather cumulus cloud holds about 500 tonnes of liquid water — the mass of 100 elephants — yet drifts across the sky because the warm, moist air inside it is measurably less dense than the cooler air surrounding it.
Aug 4, 2026
Singapore meets roughly 40 percent of its water demand by pushing treated sewage through microfiltration, reverse osmosis, and ultraviolet light — a system called NEWater that came online in 2003 under the pressure of an expiring water treaty with Malaysia and the falling cost of membranes.
Aug 3, 2026
Sealed honey recovered from Egyptian tombs more than 3,000 years old survives because bees build a three-part defence — low water, pH around 3.9, and hydrogen peroxide from glucose oxidase — that leaves almost no microbe able to grow.
Aug 3, 2026
The answer is China’s Loess Plateau, where a decades-long combination of terraces, check dams, reservoirs, grazing controls and vegetation restoration changed both how rain moved across the hills and how much loose soil reached the Yellow River.
Jul 31, 2026
A 1,900-year-old latrine at Hadrian's Villa has revealed why Roman concrete strengthens with age while modern reinforced piers crumble in decades. The answer is a mineral called calcite — and a steel bar the Romans never used.
Jul 31, 2026
In 1869, a 24-year-old Swiss chemist working out of a converted medieval castle kitchen in Tübingen scraped pus from discarded surgical bandages and isolated a phosphorus-rich substance he called nuclein — the first physical sample of DNA, discovered 84 years before its double helix was resolved.
Jul 30, 2026
A hectare of mangrove forest stores three to five times more carbon than a hectare of tropical rainforest — most of it buried in anaerobic tidal mud — while the same tangle of roots pulls energy out of incoming storm surges. The mechanism, and why carbon markets keep missing half the point.
Jul 30, 2026
In 1847, Ignaz Semmelweis cut maternal deaths in a Vienna ward from 18% to 2% by ordering doctors to wash their hands in chlorinated lime. The medical establishment rejected him, and he died in an asylum 18 years later — from an infected wound on his hand.
Jul 30, 2026
On 30 June 1908, an object roughly 50 metres across exploded 8 kilometres above the Siberian taiga with about 1,000 times the energy of Hiroshima, flattening 80 million trees across 2,150 square kilometres — and the first scientific expedition did not arrive until 1927.
Jul 30, 2026
Sealed since the late Miocene, Romania's Movile Cave runs an entire food web on hydrogen sulphide and methane instead of sunlight — feeding 33 species found nowhere else on Earth.
Jul 29, 2026
In July 1962, a missing overbar in the handwritten guidance equations for NASA's Mariner 1 spacecraft caused the Venus-bound probe to veer off course during ascent. Range safety destroyed it 293 seconds after launch, ending America's first planetary mission at a cost of $18.5 million.
Jul 29, 2026
When a barrier holding back a river for 162 years finally fell, fish species undertook a migration their ancestors hadn't completed since before the Civil War.
Jul 29, 2026
Cymothoa exigua, the tongue-eating louse, enters a fish through its gills, severs the blood vessels feeding the tongue until the organ withers, and then latches onto the stub to serve as a working replacement for the rest of the fish's life — the only known case in the animal kingdom of a parasite functionally replacing a host organ.
Jul 29, 2026
Everest is the highest point above sea level, but Ecuador's Chimborazo, perched almost exactly on the equator where Earth bulges outward by 21 kilometres, is the point on the planet's surface that reaches farthest from its core.
Jul 28, 2026
