Keith Cooper

"This is one of the most exciting results from Solar Orbiter so far."

The findings are a big clue as to why the far and near hemispheres of the moon look so different.

The origin of super-Earths and sub-Neptunes has been revealed in a system of four young planets that are dramatically losing their thick atmospheres.

SETI@home has been one of the largest citizen science projects ever, with millions of users around the world.

"Without Mars, Earth's orbit would be missing major climate cycles. What would humans and other animals even look like if Mars weren't there?"

The findings potentially solve the paradox of how liquid water seems to have persisted on Mars even when the climate grew too cold.

New models suggest that Europa has very little tectonic activity at its seafloor, which is potentially catastrophic news for the hopes of finding alien life within its ocean.

The galaxy cluster appears hotter and more mature than it should for its young age, challenging what we think we know about how these cities of galaxies form.

The new findings strengthen the "RNA world" hypothesis that describes how the first life on Earth could have used RNA instead of DNA.

Here are eight of the most spectacular astronomical discoveries of 2025.

The direction, distance and motion of the comet through the sky during its closest approach could have made it seem like it was hovering over Bethlehem when Jesus was said to have been born.

Anomalous amounts of volatile elements found in the Apollo samples brought back from the moon have been traced back to our own planet's leaky atmosphere.

The nova eruptions come about when a white dwarf steals too much matter from a close red giant companion.

A space telescope and AI teamed up to analyze a million galaxies and learn what triggers supermassive black holes the most.

The findings provide an answer to a planetary mystery that has bewildered scientists for nearly four decades.

The supernova exploded over 13 billion years ago in a galaxy far, far away.

The discovery potentially transforms what we think about how the cosmic environment influences galaxies as they form.

Measuring the time discrepancy between Earth and Mars will help make future navigation and communication systems on the Red Planet more accurate.

Scientists used data from NASA's Perseverance rover to find tiny lightning bolts on Mars that could scour biosignatures off the world's surface

The Butterfly Nebula is a preview of the fate that will befall the sun in about 5 billion years.

"Asteroseismology with Roman is possible because we don't need to ask the telescope to do anything it wasn't already planning to do."

Skylights, openings in the surface of Mars that descend down into caves, have been found on Mars, along with signatures for the presence of water ice.

Simulating a billion years using previous best-resolution simulations would take almost 36 years of real computing time.

The unique system features two rare Wolf-Rayet stars, and a supergiant companion that is interrupting the flow of the dust shells that the two Wolf-Rayet stars cast off.

The supernova was the death of a red supergiant star 500 times larger than the sun, in a galaxy just 22 million light-years away.