Sign Up for Our Amazing Newsletter!
A daily update by email. Science news, great photos, sky alerts.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Posts by
EarthSky Voices
Einstein’s gravity and quantum mechanics united at last?
Modern physics is founded on 2 pillars: Einstein's gravity and quantum mechanics. But these 2 theories contradict each other. Does this theory reconcile them?
December 6, 2023
Earth’s magnetic field shields us. But it can move and flip
Earth's magnetic field helps protect life on Earth. But the magnetic poles wander, and they flip polarity every 100,000 to 1,000,000 years.
November 30, 2023
World’s largest optical telescope – the ELT – going up in Chile
The world's largest optical telescope will be the Extremely Large Telescope (ELT), currently under construction in the Chilean desert.
November 28, 2023
Mars spacecraft fall silent as red planet goes behind sun
Mars passed behind the sun from Earth yesterday, November 18, 2023. Between now and early December, data exchange between Earth and Mars spacecraft is limited.
November 19, 2023
The universe is expanding faster than theory predicts
The universe is expanding faster than theory predicts. Scientists are trying to come up with new models to explain what the standard model of cosmology can't.
November 16, 2023
1st science images from Euclid! Dr. Becky explains why we love them
See the first images from Euclid, a dazzling assortment of galaxies, clusters and nebulae that will help us understand dark matter and dark energy.
November 8, 2023
Record-breaking black hole found in the early universe
NASA has discovered a supermassive black hole that is at an early stage of growth in the early universe. Its mass is about the same as its host galaxy's.
November 7, 2023
Space vehicle reentries shed exotic metal particles to Earth’s atmosphere
NOAA studies made of Earth's stratosphere suggest that space vehicle reentries shed exotic metal particles in Earth's atmosphere.
October 29, 2023
Webb sees new feature in Jupiter’s atmosphere: a jet stream
The Webb space telescope revealed a jet stream in Jupiter's atmosphere above its equatorial region. The jet stream travels at about 320 mph (515 kph).
October 25, 2023
Olbers’ paradox asks ‘Why is the night sky dark?’
Olbers' paradox asks why is space dark if the universe is filled with stars. The answer has to do with traveling light and red-shifting colors.
October 19, 2023
