JWST observations reveal massive helium clouds escaping from exoplanet WASP-107 b
Astronomers from the University of Geneva, working with colleagues in Canada and the United States, have captured the…
Alaknanda: Ancient spiral galaxy challenges existing knowledge of cosmic evolution
Early in the story of the universe, long before galaxies like the Milky Way were expected to take…
Astronomers discover spacetime drag around a supermassive black hole — as predicted by Einstein
A star’s fatal brush with a supermassive black hole can light up a quiet galaxy. When gravity shreds…
New images reveal an early-stage stellar eruption (nova) in stunning detail
A classical nova may look simple at first. A faint star brightens, sometimes enough for you to spot…
New gravitational lens measurements reveal a faster expansion rate for the universe
For much of the twentieth century, scientists expected the expanding universe to slow over time. The opposite turned…
Time moves faster on Mars than on Earth, study finds
On Earth, knowing the time feels simple. Your phone pings the same second as a GPS satellite and…
After nearly a century of looking, researchers may have finally detected dark matter
For nearly a century, something unseen has tugged at the cosmos. In the 1930s, Swiss astronomer Fritz Zwicky…
For the first time ever, researchers made a photon travel back in time
Shattered glass does not leap back into your hand. Smoke from a match does not gather itself and…
First-ever images of powerful X1.3-class solar flare captured by solar telescope
From 93 million miles away, the Sun just got a lot more personal. Astronomers have now seen some…
NASA’s ESCAPADE mission has taken its first photo, and it’s good news
Mars is a planet that fascinates many scientists, notably regarding the presence of life elsewhere in the solar…
Our solar system is moving through space 3x faster than expected
The universe is supposed to look the same no matter where you stand. That idea, known as the…
Astronomers reveal what happened less than a second after the Big Bang
Cosmologists have traced the Big Bang’s earliest moments with great care, from the explosive inflation that set spacetime…