Earth
Sun
Sun news: Storm! The CME is here and Earth is rocking
Sun news June 1, 2025. The CME from the M8.2 flare eruption on May 30 has reached Earth causing a G4 geomagnetic storm. More to come?
June 1, 2025
Astronomy Essentials
Tonight
Visible planets and night sky guide for June
Visible planets and night sky guide. Venus is at its highest point in the east. And this evening the moon visits the bright star Regulus, with Mars nearby.
Space
Are the TRAPPIST-1 planets water-rich? New study says maybe
A new study suggests the 7 Earth-sized TRAPPIST-1 exoplanets could have widely varying amounts of water, ranging from very little to more than Earth.
June 1, 2025
Space
Wide-orbit planets support the possibility of Planet 9
Researchers have discovered that wide-orbit planets are likely the natural result of developing planetary systems, and the result has implications for Planet 9.
June 1, 2025
Tonight
Which moon phase is best for stargazing? That depends.
Which moon phase is best for stargazing? Most astronomers would tell you that the best moon is no moon. But it depends on what you want to see.
June 1, 2025
Human World
June birthstone: Pearl, moonstone or alexandrite
For June babies, pick any of these as your June birthstone: a gleaming pearl, a glowing moonstone, or a colorful and exotic alexandrite. All are lovely choices.
June 1, 2025
Sun
Clearest view of the sun’s corona: See the stunning details
Using new adaptive optics, a solar telescope in California has now captured the clearest views yet of the sun's corona, or outermost atmosphere.
May 30, 2025
Astronomy Essentials
Venus before sunrise: Its greatest distance is June 1
Look for Venus before sunrise. It'll reach greatest elongation - its greatest distance from the sunrise - on June 1, 2025. It's blazingly bright!
May 30, 2025
Human World
Our teeth have strange origins in ancient fish
Our sensitive teeth evolved from sensory tissue on the exoskeleton of ancient, armored fish that lived 465 million years ago.
May 30, 2025
Earth
Tropical Storm Alvin is 1st of the season in Eastern Pacific
The first named storm of the 2025 Eastern Pacific hurricane season - Tropical Storm Alvin - has developed. It is expected to weaken over the coming days.
May 29, 2025
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