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Spiral arms around a star, made by a giant planet
Spiral arms are common in galaxies, but they can also form in disks of dust and gas around young stars. A new discovery shows how giant planets create them.
July 20, 2023
Ocean worlds around red dwarfs … common?
A new study says that the chances of ocean worlds - rocky planets with liquid water - orbiting red dwarf stars is much greater than previously thought.
July 19, 2023
Ancient moon volcano revealed in far side hot spot
Scientists discovered an ancient moon volcano after detecting a hot spot - an underground mass of radioactive granite - on the far side.
July 18, 2023
Airplane-sized asteroid found 2 days after brush by Earth
An airplane-sized asteroid came within 1/4 the moon's distance to Earth on July 13, 2023. However, scientists didn't detect the asteroid until two days later.
July 16, 2023
1st dark stars?! Maybe, say astrophysicists
Scientists say they've found the 1st dark stars - brighter than our sun - powered by dark matter particles that collide and annihilate themselves.
July 16, 2023
How nuclear fusion works to let stars shine
Nuclear fusion powers our sun and is the energy source of the stars in our night sky. Here's how nuclear fusion works to make stars shine.
July 16, 2023
New detection of phosphine on Venus: Could it mean life?
Astrobiologist Jane Greaves and her team report that they have re-confirmed phosphine on Venus, deep in the atmosphere. The gas appears to have a steady source.
July 13, 2023
SpaceX satellites leaking radio waves. Astronomers worried
A new study confirms 68 satellites leaking radio waves that might harm radio astronomers' observations of the universe. Astronomers are worried.
July 12, 2023
‘Sandwich exoplanets’ shed light on planet formation
Scientists say they have discovered a new type of planetary formation called "sandwich exoplanets." This is where a small planet will form between 2 large ones.
July 10, 2023
Astronomers see time moving in slow motion in early universe
Astronomers have observed quasars "ticking slowly" in the early universe. Seeing time moving in slow motion is another confirmation of special relativity.
July 9, 2023
