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All of the first stars might not have been massive
Recent studies suggest not all of the first stars in the universe were massive. Some of them could be up to only 40 times the mass of the sun.
August 24, 2025
An atmosphere on TRAPPIST-1 d? New observations say maybe
Is there an atmosphere on TRAPPIST-1 d? New observations from Webb suggest that if there is, it might be more like Mars or Venus. Or it might not exist at all.
August 22, 2025
Could Ceres have been habitable? New research holds a clue
Could Ceres have been habitable? New research indicates it might have had the energy necessary to support some microbial metabolisms.
August 22, 2025
5 bright comets approaching Earth. Charts here!
There are 5 bright comets heading toward Earth. The one that will arrive first, Comet Lemmon, might be visible with the unaided eye. Charts here.
August 21, 2025
New moon discovered orbiting inside distant Uranus’ rings
Astronomers have discovered a new moon orbiting Uranus. The newly found moon - the planet's 29th - is just 6 miles wide.
August 21, 2025
Rare quadruple star system could unlock brown dwarf mystery
A quadruple star system consisting of 2 red dwarfs and 2 brown dwarfs offers insight in the mystery of brown dwarfs, also known as failed stars.
August 21, 2025
Corals on Mars? NASA rover finds more remarkably weird rocks
Are these unusual formations fossilized corals on Mars? NASA's Curiosity rover found them recently. See more images here.
August 20, 2025
‘Eye of Sauron’ blazar is source of a powerful cosmic jet
Astronomers have captured an image of the origin of a cosmic jet. The image resembles the Eye of Sauron from the Lord of the Rings.
August 19, 2025
Rare massive white dwarf was born when 2 stars collided
A rare massive white dwarf star 128 light-years away formed from the collision and merger of 2 stars, NASA's Hubble Space Telescope has found.
August 17, 2025
New type of supernova, as a black hole triggers a star explosion
Astronomers believe they've found a new type of supernova. They say it exploded as a star tried to envelop its black hole companion.
August 15, 2025
