It’s 100 years since we learned the Milky Way is not the only galaxy

In 1924, astronomer Edwin Hubble realised two objects were too distant to be inside our galaxy.

Jeffrey Grube, Senior Lecturer in Physics Education, King's College London • conversation
Nov. 20, 2024 • ~8 min

Donald Trump’s approach to US space policy could throw up some surprises, especially with Elon Musk on board

We already have some clues to what the Trump administration will change on space policy.

P.J. Blount, Assistant Professor in the Durham Law School, Durham University • conversation
Nov. 13, 2024 • ~9 min

Japan Launches World’s First Wooden Satellite
VOA Learning English • voa
Nov. 11, 2024 • ~5 min

Why does everything look flat even though the Earth is round?

It’s all about perspective: The higher you go, the more you can see the curve.

Kelly R. MacGregor, Professor of Geology, Macalester College • conversation
Nov. 11, 2024 • ~5 min

A distant planet seems to have a sulphur-rich atmosphere, hinting at alien volcanoes

Astronomers have detected possible signs of gases released by volcanic activity.

Agnibha Banerjee, PhD Student, The Open University • conversation
Nov. 11, 2024 • ~6 min

Europe’s Space Agency Is in Talks with SpaceX to Cut Space Junk
VOA Learning English • voa
Nov. 7, 2024 • ~4 min

Asteroid grains shed light on the outer solar system’s origins

A weak magnetic field likely pulled matter inward to form the outer planetary bodies, from Jupiter to Neptune.

Jennifer Chu | MIT News • mit
Nov. 6, 2024 • ~8 min

Carl Sagan’s scientific legacy extends far beyond ‘Cosmos’

On what would’ve been the astronomer’s 90th trip around the Sun, here’s a look at his legacy as a scientist, advocate and communicator.

Jean-Luc Margot, Professor of Earth, Planetary, and Space Sciences, University of California, Los Angeles • conversation
Nov. 5, 2024 • ~8 min

How can Jupiter have no surface? A dive into a planet so big, it could swallow 1,000 Earths

Jupiter’s composition is more similar to that of the Sun than that of the Earth.

Benjamin Roulston, Assistant Professor of Physics, Clarkson University • conversation
Nov. 4, 2024 • ~7 min

Apophis: a new European space mission could get up close with a large asteroid that’s set to brush by Earth

Ramses, a European space mission to study the asteroid Apophis, has been approved for perparatory work.

Or Graur, Associate Professor of Astrophysics, University of Portsmouth • conversation
Nov. 1, 2024 • ~8 min

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