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Visible planets and night sky guide for November
Marcy Curran
November 6, 2026
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The constellation Andromeda the Chained Lady
Kelly Kizer Whitt
November 6, 2026
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Dark nebulae are star-obscuring clouds of gas and dust
Kelly Kizer Whitt
November 5, 2026
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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.
Paul Scott Anderson
August 20, 2025
Titan is casting its shadow on planet Saturn
Saturn's ring are currently almost edge-on, so you can see shadow transits of its largest moon Titan on its surface. See some images here.
Marcy Curran
August 19, 2025
Rare Black Moon coming August 22-23! Why so special?
We'll have a Black Moon on August 22-23, 2025. A Black Moon is a special kind of new moon. Learn more about Black Moons here.
Deborah Byrd
August 19, 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.
EarthSky Voices
August 19, 2025
Heat burst hits Granada, Spain, on Sunday, causing chaos
A heat burst is when a spike in temperatures and strong winds hit a localized area. Read about the heat burst in Granada, Spain, on Sunday.
Cristina Ortiz
August 18, 2025
Do whales and dolphins play together? Images and video here
Scientists studied interactions between whales and dolphins. In most cases, whales do not avoid dolphins and sometimes even socialize with them.
Cristina Ortiz
August 18, 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.
Paul Scott Anderson
August 17, 2025
Hurricane Erin now Cat 5 after extremely rapid intensification
Hurricane Erin became the first hurricane of the season Friday. It then experienced rapid intensification overnight, and it's now a Category 5 storm.
Rachel Duensing
August 16, 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.
EarthSky Voices
August 15, 2025
Giant free-floating planets might have planets of their own
Giant free-floating planets drift in space with no stars. New observations from the Webb telescope suggest they could have their own planets orbiting them.
Paul Scott Anderson
August 14, 2025
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