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Milky Way’s farthest stars reach halfway to Andromeda
Astronomers have discovered the Milky Way's farthest stars in our galaxy's huge stellar halo. The most distant stars are almost halfway to the Andromeda galaxy.
January 17, 2023
When a black hole swallows a star
Hubblesite reports on what happens when a black hole swallows a star. The hungry black hole twists the star into a donut shape.
January 15, 2023
What is a variable star?
What is a variable star? It's a star that brightens and dim in a cycle that might last hours, or weeks, or months, or longer. Astronomers know millions!
January 15, 2023
Europa Clipper gets its gas-sniffing ‘nose’
NASA has receieved an advanced mass spectrometer for the Europa Clipper mission. It will analyze gases for clues about the ocean moon's habitability.
January 14, 2023
Korean moon probe grabs spectacular images
A Korean moon probe - the Korea Pathfinder Lunar Orbiter aka Danuri ("moon enjoy") - has captured iconic black-and-white images of Earth and the moon.
January 13, 2023
Webb discovers its 1st exoplanet
Webb discovers its 1st exoplanet! And - speaking this week at the American Astronomical Society meeting in Seattle - astronomers are excited.
January 12, 2023
Help NASA study exoplanets with Exoplanet Watch
Do you want to help NASA study exoplanets? Now you can, with the Exoplanet Watch citizen science project. All you need is a telescope or a smartphone.
January 12, 2023
Ultracool dwarf binary stars break records
Astronomers have discovered an ultracool dwarf binary system - 2 very low-mass stars orbiting closely - completing an orbit in less than an earthly day.
January 11, 2023
Astronomers find 8 new super-hot stars
An international team of astronomers - using a telescope in South Africa - have discovered 8 new super-hot stars that shed light on how stars evolve.
January 11, 2023
Slow, long fireball Monday night over the UK
After a slow start, 2023 has now provided a massive boost to the fireball activity with a well-timed event over the southern United Kingdom.
January 10, 2023
