In a distant galaxy, a cosmic dance between two supermassive black holes emits periodic flashes of light.
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How can you “touch the Sun” if you’ve always been inside the solar corona, yet will never reach the Sun’s photosphere?
Pluto failed to meet the definition of a planet, but some astronomers think there might be a legitimate Planet 9 out there.
So far, gravitational waves have revealed stellar mass black holes and neutron stars, plus a cosmic background. So much more is coming.
As we look to larger cosmic scales, we get a broader view of the expansive cosmic forest, eventually revealing the grandest views of all.
Life became a possibility in the Universe as soon as the raw ingredients were present. But living, inhabited worlds required a bit more.
Since the time of Galileo, Saturn’s rings have remained an unexplained mystery. A new idea may have finally solved the longstanding puzzle.
All across the Universe, planets come in a wide variety of sizes, masses, compositions, and temperatures. And most have rain and snow.
At four million solar masses, the Milky Way’s supermassive black hole is quite small for a galaxy its size. Did we lose the original?
It’s a radical but plausible idea.
No planet enters retrograde more frequently than Mercury, which does so 3-4 times each year. Here’s the scientific explanation for why.
The key problem with the dark matter hypothesis is that nobody knows what form dark matter might take.
From black holes to dark energy to chances for life in the Universe, our cosmic journey to understand it all is just getting started.
The space telescope’s findings challenge the notion of a galaxy brimming with life.
Life in the supremely vast cosmos is incredibly rare. We need a new vision for our living planet and for ourselves.
It rotates on its axis, revolves around the Sun, moves throughout the Milky Way, and gets carried by our galaxy all throughout space.
When people pick the greatest scientist of all-time, Newton and Einstein always come up. Perhaps they should name Johannes Kepler, instead.
Astronomers have been looking for radio waves sent by a distant civilization for more than 60 years.
There is no such thing as a void in the Universe.
The James Webb Space Telescope (JWST) will study many dangerous cosmic phenomena, knowledge of which may help save humanity.
Saturn’s Iapetus, discovered way back in 1671, has three bizarre features that science still can’t fully explain.
Some astrobiologists believe life is rare, while others believe it is common in the Universe. How can we find out which view is correct?
Within the next few decades, we may well have hard evidence for the existence of alien life on worlds light-years distant from Earth.
If dark matter exists in a large halo in our galaxy, made up of particles, then it’s passing through us constantly. But how much?
Our Universe requires dark matter in order to make sense of things, astrophysically. Could massive photons do the trick?
On July 12, 2022, JWST will release its first science images. Here are 5 ways the telescope’s findings could change science forever.
Like Dua Lipa, he had to create new rules.
The asteroid is expected to come within 140,000 miles of Earth — well inside the moon’s orbit.
Exoplanet LP 791-18d is likely to have an atmosphere and liquid water.