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EarthSky Voices

Birds with backpacks to help study Earth’s atmosphere

Birds with backpacks: a new study from NASA's 'Internet of Animals' shows that high-flying great frigatebirds can provide detailed sampling of the atmosphere.

Will humpback whales train us to communicate with aliens?

SETI researchers are studying how humpback whales communicate. This may eventually help us communicate with non-human intelligence of an alien civilization.

Could a giant void explain the universe’s expansion?

Scientists think we could live in a giant void, a less-dense bubble leftover from the Big Bang. If so, it could explain the expansion rate of the universe.

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?

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.

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.

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.

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.

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.

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.