Astronomers have discovered another puzzling interstellar object − this third one is big, bright and fast

Over the next few days, astronomers will pull together evidence to determine whether the object is a comet.

Darryl Z. Seligman, Assistant Professor, Michigan State University • conversation
today ~8 min

How can the James Webb Space Telescope see so far?

The James Webb Space Telescope has 2 powerful instruments that see light the human eye can’t.

Adi Foord, Assistant Professor of Astronomy and Astrophysics, University of Maryland, Baltimore County • conversation
June 30, 2025 ~9 min


The Vera C. Rubin Observatory will help astronomers investigate dark matter, continuing the legacy of its pioneering namesake

Vera C. Rubin’s research into stars in galaxies led to the modern understanding of dark matter.

Samantha Thompson, Astronomy Curator, National Air and Space Museum, Smithsonian Institution • conversation
June 24, 2025 ~9 min

How do atoms form? A physicist explains where the atoms that make up everything around come from

Almost everything on Earth is made up of atoms, but where do these fundamental building blocks come from?

Stephen L. Levy, Associate Professor of Physics and Applied Physics and Astronomy, Binghamton University, State University of New York • conversation
June 23, 2025 ~8 min

Astronomy has a major data problem – simulating realistic images of the sky can help train algorithms

To make a truly realistic fake picture of a galaxy, you can model exactly how light particles travel through the atmosphere and telescope to reach its sensor.

John Peterson, Assoc. Professor of Physics and Astronomy, Purdue University • conversation
June 23, 2025 ~9 min

Is Mars really red? A physicist explains the planet’s reddish hue and why it looks different to some telescopes

Mars isn’t a bright, fire-engine red, but the iron oxide in its rocks makes it appear redder than other planets, especially from afar.

David Joffe, Associate Professor of Physics, Kennesaw State University • conversation
June 16, 2025 ~7 min

Where is the center of the universe?

As the universe expands, it feels like it must be spreading out from some initial point. But a physicist explains why that’s not how it works. Hint: space-time is involved.

Rob Coyne, Teaching Professor of Physics, University of Rhode Island • conversation
June 10, 2025 ~8 min

Early visions of Mars: Meet the 19th-century astronomer who used science fiction to imagine the red planet

In the 19th century, astronomers could see Mars through telescopes, but not clearly. Some used their imaginations to fill in what the blurry images couldn’t convey.

Matthew Shindell, Curator, Planetary Science and Exploration, Smithsonian Institution • conversation
June 6, 2025 ~9 min


A new observatory is assembling the most complete time-lapse record of the night sky ever

The Vera C. Rubin Observatory will capture enough detail to see a golf ball from 25km away.

Noelia Noël, Senior Lecturer, School of Mathematics and Physics, University of Surrey • conversation
June 5, 2025 ~6 min

Uncertainty at NASA − Trump withdraws his nominee for administrator while the agency faces a steep proposed budget cut

Under the proposed budget, several major projects, such as the Mars Sample Return and the Space Launch System, would face cancellation.

Wendy Whitman Cobb, Professor of Strategy and Security Studies, Air University • conversation
June 3, 2025 ~8 min

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