Posts by 

Paul Scott Anderson

Eyeball ocean world? Webb reveals an intriguing super-Earth

NASA's Webb space telescope has revealed that exoplanet LHS 1140 b is a super-Earth ocean world. It may have an ocean on one side or a global ice-covered ocean.

Odd swirls on the moon may be from subsurface magma

Scientists at Washington University in St. Louis said odd, light-colored swirls on the moon may be the result of rocks magnetized by magma below the surface.

Giant stinky exoplanet smells like rotten eggs

Astronomers say that the giant stinky exoplanet HD 189733 b smells so bad - like rotten eggs - thanks to hydrogen sulfide in its atmosphere.

Perseverance rover explores Bright Angel in ancient riverbed

NASA's Mars Perseverance rover has reached an area of flat light-toned rocky outcrops called Bright Angel. The intriguing rocks are in an ancient river channel.

To find water on Mars, listen to marsquakes

Is there still any liquid water on Mars? A new study suggests scientists could find aquifers deep below the surface by listening to marsquakes.

Hydrothermal vents on ocean moons could support life

A new study shows ocean moons in our solar system could have long-lasting geothermal activity on their oceans floors and may even be able to support life.

Atmosphere over Jupiter’s Great Red Spot surprisingly active

The Webb space telescope observed Jupiter's Great Red Spot and found the atmosphere above the spot is much more active and dynamic than astronomers expected.
Earth

The Tunguska explosion rocked Siberia 116 years ago

The Tunguska explosion on June 30, 1908, is the largest asteroid impact in recorded history. It flattened 830 square miles of Siberian forest.

Habitable exoplanets could exist around nearby stars

By measuring radiation levels, astronomers using the Chandra X-ray Observatory and XMM-Newton satellite said some nearby stars could have habitable exoplanets.

Shorelines of Titan’s seas likely shaped by waves

Saturn's largest moon Titan has seas and lakes of liquid methane/ethane. A new study from MIT suggests the shorelines of Titan's seas are shaped by waves.