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1

Astronomers can identify water vapour, carbon dioxide and even oxygen across light-years—but nitrogen, despite filling 78 per cent of Earth’s atmosphere, is exceptionally difficult to see because N₂ lacks the strong infrared fingerprint of most gases. Only the faint signal created when nitrogen molecules collide gives it away.

The most abundant gas in Earth’s atmosphere is almost invisible to the methods astronomers use...

2

Antarctica developed a continental-scale ice sheet 34 million years ago while Earth was about 5°C warmer than today — helped by slow-moving mantle waves that had spent more than 100 million years lifting its interior high enough for permanent ice to survive.

Antarctica did not wait for Earth to become as cold as it is today. At...

3

Inside Mexico’s Giant Crystal Cave of Naica

In April 2000, somewhere under the Chihuahuan Desert, a drill bit punched through solid rock...

4

Europa Water Plumes: Hubble Data Reanalysis Casts Doubt on Famous Geysers

Europa’s water plumes became one of planetary science’s most memorable images without ever becoming a...

5

Mars Simulation Reveals “Behavioral Torpor” in Long-Term Isolation

Six men sealed inside a simulated Mars spacecraft became progressively less active across 520 days....

6

8-Year-Old Brazilian Girl Breaks Record as Youngest Asteroid Discoverer

A child at a desk after school, two screens glowing in front of her, clicking...

7

At the space shuttle’s orbital speed of roughly 28,000 kilometres per hour, the journey to Alpha Centauri would take about 165,000 years. Breakthrough Starshot proposes sending a gram-scale chip attached to a metre-wide sail—accelerated by Earth-based lasers—to make the same journey in just over 20 years.

At orbital speed, the space shuttle crossed a continent in minutes. It circled Earth about...

8

A millionth of a second after the Big Bang, matter existed as a near-perfect liquid so hot that protons and neutrons could not yet form—and CERN has now recreated a microscopic droplet of it using oxygen nuclei, the smallest collision system yet to reveal one of its defining signatures.

During the universe’s first few microseconds, temperatures were too high for quarks and gluons to...

9

Gannon Geomagnetic Storm Brings Rare Display of Northern Lights Across Globe

For millions of people, the Gannon storm arrived as colour. Red auroras appeared over Mexico,...

10

Ganymede May Hold More Liquid Water Than All of Earth’s Oceans Combined

Ganymede may contain more liquid water than all of Earth’s surface oceans combined. The scale...

11

In 1925, 24-year-old graduate student Cecilia Payne calculated that the Sun and other stars were composed overwhelmingly of hydrogen and helium—a result so contrary to accepted astronomy that senior astronomer Henry Norris Russell called it “clearly impossible,” leading her to write in her thesis that the enormous abundances she had derived were “almost certainly not real.” Four years later, Russell reached the same conclusion by another method and acknowledged that Payne had got there first.

Cecilia Payne did not discover the composition of the stars by finding a previously invisible...

12

In 1890 and 1891, New York pharmaceutical manufacturer Eugene Schieffelin released about 100 European starlings into Central Park, and their descendants spread across North America, reaching roughly 200 million birds within a century before declining to a more recent estimate of about 85 million to 93 million

Here is the version you have probably heard. A wealthy New Yorker named Eugene Schieffelin...

13

A Soviet probe survived the journey to Venus and began testing the surface of another world — only for its soil instrument to come down on a discarded piece of the spacecraft itself and send the mistaken reading all the way back to Earth

Of all the ways to be humbled by another planet, tripping over your own rubbish...

14

In November 2025, astronomers argued that an overlooked age bias in supernova measurements meant the universe had already begun decelerating and dark energy was weakening. A Southampton-led team challenged that conclusion in June 2026, saying the supposed bias was largely already corrected for—but the original researchers have since disputed the rebuttal.

For more than a quarter of a century, Type Ia supernovae have been among the...

15

In 1989, media billionaire Ted Turner bought the 113,613-acre Flying D ranch in Montana, removed its cattle and hundreds of miles of internal barbed-wire fencing, and shifted the land to bison — 37 years later, the property supports about 4,500 of them.

Let’s consider the same stretch of southwestern Montana ground, three decades apart. In the first...

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Antarctica developed a continental-scale ice sheet 34 million years ago while Earth was about 5°C warmer than today — helped by slow-moving mantle waves that had spent more than 100 million years lifting its interior high enough for permanent ice to survive.

Inside Mexico’s Giant Crystal Cave of Naica

Europa Water Plumes: Hubble Data Reanalysis Casts Doubt on Famous Geysers

Mars Simulation Reveals “Behavioral Torpor” in Long-Term Isolation

8-Year-Old Brazilian Girl Breaks Record as Youngest Asteroid Discoverer

A millionth of a second after the Big Bang, matter existed as a near-perfect liquid so hot that protons and neutrons could not yet form—and CERN has now recreated a microscopic droplet of it using oxygen nuclei, the smallest collision system yet to reveal one of its defining signatures.

Gannon Geomagnetic Storm Brings Rare Display of Northern Lights Across Globe

Ganymede May Hold More Liquid Water Than All of Earth’s Oceans Combined

A Soviet probe survived the journey to Venus and began testing the surface of another world — only for its soil instrument to come down on a discarded piece of the spacecraft itself and send the mistaken reading all the way back to Earth

In 1989, media billionaire Ted Turner bought the 113,613-acre Flying D ranch in Montana, removed its cattle and hundreds of miles of internal barbed-wire fencing, and shifted the land to bison — 37 years later, the property supports about 4,500 of them.

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