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Sea robins use their legs to taste the seafloor
Northern sea robins have 3 leg-like fin extensions, in front of each pectoral fin, with sensory organs that can taste the seafloor to detect buried prey.
October 3, 2024
Flashing star in autumn? Here are 3 candidates
Some October night, check out 3 of the flashiest stars in the night sky ... at least at this time of year. And here's why you see these as a flashing star.
October 3, 2024
GOES-19 first light images show stunning view of Earth
The GOES-19 satellite achieved 1st light and is now in beta mode. This Earth-observing satellite is already sending back stunning views of our home planet.
October 2, 2024
Annular solar eclipse today! See a ring of fire
Today, an annular solar eclipse will cross over parts of South America, the Pacific Ocean, the Atlantic Ocean, and Antarctica. Watch a livestream here.
October 2, 2024
A striped ‘zebra rock’ on Mars and a new Mars face
NASA's Perseverance rover has found an unusual striped 'zebra rock' on Mars unlike any rocks seen before. How did it form and how did it get there?
October 2, 2024
Barnard’s Star has 1 planet, maybe more, at last!
Astronomers have confirmed a small exoplanet orbiting Barnard's star, the closest single star to our sun. There are hints of at least 3 more planets as well.
October 1, 2024
Are the Andromeda and Milky Way galaxies already merging?
Researchers studying the fastest stars in the Milky Way galaxy believe some of them may come from the nearby Andromeda galaxy.
October 1, 2024
Sun activity archive for October 2024
Sun activity archive for October 2024. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.
October 1, 2024
Cassiopeia the Queen is overhead on autumn evenings
Spot the constellation Cassiopeia the Queen somewhere in the northern sky during much of the year, and throughout much of the night. It's high overhead now.
October 1, 2024
LIVE MONDAY: SpaceX and Space Race 2.0 with Eric Berger
Join EarthSky's Dave Adalian LIVE at 12:15 p.m. central (17:15 UTC) on September 30. He'll be chatting with Eric Berger, senior space editor at Ars Technica.
September 30, 2024
