Scott Alan Johnston

Satellite Images Can Help Predict When Underwater Volcanos are About to Erupt

Predicting volcanic eruptions is notoriously tricky. In large part this is because volcanos are unique, each with their own quirks…

3 years ago

A Small Satellite With a Solar Sail Could Catch up With an Interstellar Object

When Oumuamua, the first interstellar object ever observed passing through the Solar System, was discovered in 2017, it exhibited some…

3 years ago

LightSail 2 Has Now Been in Space for 2 Years, and Should Last Even Longer Before Re-Entering the Atmosphere

The Planetary Society's crowdfunded solar-sailing CubeSat, LightSail 2, launched on June 25th 2019, and two years later the mission is…

3 years ago

Asteroid 16 Psyche Might Not be a Solid Chunk of Metal After All, but Another Rubble Pile

Asteroid 16 Psyche, often sensationally dubbed the 10,000 quadrillion dollar asteroid due to its composition of valuable metals, may not…

3 years ago

Next up, Juno has Ganymede in its Sights

NASA's Juno mission is set for a close encounter with the Solar System's largest moon, Ganymede, on Monday. This will…

3 years ago

Hubble Has Tracked Down the Source of 5 Different Fast Radio Bursts

In a new survey, astronomers using the Hubble Space Telescope have managed to pinpoint the location of several Fast Radio…

4 years ago

Larger Rocky Planets Might be Rare Because They Shrunk

Researchers at the Flatiron Institute's Center for Computational Astrophysics published a paper last week that just might explain a mysterious…

4 years ago

What’s the Best Way to Water Plants in Space?

Humans have maintained a continuous presence in space on the International Space Station (ISS) for more than 20 years now.…

4 years ago

Volcanoes on Mars Might Still be Active

Back in March, NASA's InSight lander detected two large quakes from a geologically active region of Mars called the Cerberus…

4 years ago

Black Hole-Neutron Star Collisions Could Finally Settle the Different Measurements Over the Expansion Rate of the Universe

If you've been following developments in astronomy over the last few years, you may have heard about the so-called "crisis…

4 years ago