Posts by 

Paul Scott Anderson

Innermost TRAPPIST-1 exoplanet is hot and airless

NASA's Webb space telescope has found that TRAPPIST-1 b, the innermost planet in the TRAPPIST-1 system, is airless and too hot for life.

Terminator zones and the search for life

A new study shows that exoplanet terminator zones - regions on worlds with permanent day and night sides - might be able to support life.

Europa’s icy crust rides on warm ocean currents

A new study from NASA's Jet Propulsion Laboratory and Oxford University shows how ocean currents can affect how fast or slow Europa's icy crust rotates.

Ancient lake on Titan could have lasted thousands of years

Researchers at MIT say that a former liquid water lake on Titan - Saturn's large moon - might have existed for tens of thousands of years.

Round sand dunes on Mars puzzle scientists

NASA has just released a new photo, taken by the Mars Reconnaissance Orbiter, of intriguing round sand dunes on Mars. How did they form?

Exploring Mars caves, leaving ‘breadcrumbs’

Researchers have developed a "breadcrumb" system that small autonomous robot rovers might use in exploring Mars caves and lava tubes.

Watch DART asteroid impact in Hubble movie

NASA has released a new Hubble movie of the DART asteroid impact from September 26, 2022. The sequence of images shows the impact and resulting spray of debris.

Finding life on Mars requires more powerful tools

An international team of scientists says that finding conclusive evidence of life on Mars will require better tools than those on the current rovers.

Icy moons’ puzzling features may be due to salty ice

Researchers at the University of Washington have created new forms of salty ice hydrates. They might explain unusual surface markings on icy moons like Europa.

59 new exoplanets discovered around nearby stars

Astronomers have discovered 59 new exoplanets orbiting red dwarf stars. Twelve are potentially habitable. They all lie within 65 light-years of our sun.

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