Carolyn Collins Petersen

Building Concrete on Mars From Local Materials

Imagine you've just gotten to Mars as part of the first contingent of settlers. Your first challenge: build a long-term…

5 days ago

NASA Pushes Human Moon Landing Back to 2027

The Artemis moon landings are delayed again due to technical difficulties. This time, the problem is with the Orion spacecraft…

2 weeks ago

The Milky Way’s Supermassive Black Hole Photo Might Need a Retake

Remember that amazing "first image" of Sagittarius A* (Sgr A) black hole at the heart of the Milky Way? Well,…

2 months ago

Life Can Maintain a Habitable Environment in Hostile Conditions

Everybody knows that for life to thrive on any world, you need water, warmth, and something to eat. It's like…

2 months ago

It’s Like Looking into a Mirror, 13 Billion Years Ago

The early Universe continues to offer surprises and the latest observations of infant galaxies are no exception. Astronomers found a…

2 months ago

Satellites are Tracking the Ongoing Sea Level Rise Swamping Pacific Island Nations

The small island nations of the South Pacific are facing the harsh reality of sea level rise. Within 50 years…

2 months ago

The Open Star Cluster Westerlund 1, Seen by Webb

A long time ago, the Milky Way Galaxy was busy being a prodigious star-formation engine. In those times, it turned…

2 months ago

The Milky Way Might be Part of an Even Larger Structure than Laniakea

If you want to pinpoint your place in the Universe, start with your cosmic address. You live on Earth->Solar System->Milky…

3 months ago

Perseverance Finds a Strange Black-and-White Striped Rock on Mars

The hits just keep on coming from the Mars Perseverance rover. It's exploring Jezero Crater on the Red Planet, looking…

3 months ago

Europe Simulates the Moon on Earth

Where do you go to practice living and working on the Moon before you actually get there? That's the question…

3 months ago