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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.
April 2, 2023
Icy rain from Saturn’s rings is heating the planet
A new discovery shows an icy rain from Saturn's rings affects the planet's atmosphere. This insight could help lead to the discovery of rings around exoplanets.
March 30, 2023
Brightest gamma-ray burst of ‘all time’
The brightest gamma-ray burst of all time - or at least so far - blasted into the collective consciousness of earthly astronomers on October 9, 2022.
March 30, 2023
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.
March 28, 2023
What is a neutron star? How do they form?
A neutron star is born from a supernova explosion. They contain a couple of times the mass of our sun, squeezed into a sphere the size of a city on Earth.
March 28, 2023
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.
March 27, 2023
Was ‘Oumuamua a comet? Avi Loeb responds to new research
A March 22 study suggests that 'Oumuamua, which passed us in 2017, was a comet from another solar system. Harvard astronomer Avi Loeb strongly disagrees.
March 24, 2023
200-foot asteroid 2023 DZ2 passed closer than moon
Asteroid 2023 DZ2 safely passed Earth at less than half the distance between the moon and Earth on March 24-25, 2023. More info here.
March 24, 2023
Weather-watching on Jupiter and Uranus with Hubble
The Hubble Space Telescope keeps an eye on the planets in space, watching the weather and seasons change on planets such as Jupiter and Uranus.
March 23, 2023
Was ‘Oumuamua an outgassing interstellar comet?
Researchers have solved the mystery of the strange orbit of 'Oumuamua. Outgassing from hydrogen gave the interstellar comet its distinctive push.
March 22, 2023
