Alien first contact: how the new rules differ from science fiction

Astronomers should not try to message E.T. before international consultation has occurred.

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The Conversation

Aliens might exist. But there are three reasons why they’re not visiting us

The nature of space, time and the evolution of life on Earth mean it’s unlikely extraterrestrial life has visited our home planet.

Carol Oliver, Professor in Science Communication and Astrobiology, UNSW Sydney·Jun 12, 2026

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The Conversation

Nasa names Artemis III crew, but a rocket explosion has thrown US Moon plans into turmoil

The New Glenn explosion could seriously delay the timetable for returning to the Moon.

Daniel Brown, Lecturer in Astronomy, Nottingham Trent University·Jun 9, 2026

Nautilus

Hidden Fungal Networks Could Stretch from the Earth to the Sun a Billion Times Over

A new map of global mycorrhizal fungi details the massive scope of the vital systems The post Hidden Fungal Networks Could Stretch from the Earth to the Sun a Billion Times Over appeared first on Nautilus.

Jake Currie·Jun 11, 2026

Nautilus

How to Stop a Killer Asteroid

From high-speed battering rams to gravity tractors, the technology exists to protect the planet. The question is whether humanity will act in time—and in concert. The post How to Stop a Killer Asteroid appeared first on Nautilus.

Govert Schilling·Jun 11, 2026

Quanta Magazine

Where Did Earth Get Its Oceans? Maybe It Made Them Itself.

At first, scientists thought Earth’s water came from comets. Then, asteroids. Now, they wonder if Earth’s water is homegrown. The post Where Did Earth Get Its Oceans? Maybe It Made Them Itself. first appeared on Quanta Magazine

Robin George Andrews·Jun 12, 2026

National Geographic

Fungi take up more mass than people—see how they stretch across the Earth

Scientists created the first-ever map of this vast underground fungal network and found it could stretch to the sun and back more than a billion times.

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