The interstellar comet 3I/ATLAS has a thick irradiated crust that no longer resembles its home star system, simulations and ...

PoET and ESPRESSO telescopes are new tools that will eliminate stellar noise and detect Earth-like planets around Sun-like stars.

The Sun, an ever-burning ball of gas at the center of our solar system, has always fascinated people. But now, scientists are seeing it like never before. Thanks to the most powerful solar telescope ...

The most powerful solar telescope in the world has recorded a major milestone atop an active volcano in Hawaii, capturing a detailed image of a cluster of sunspots with the telescope’s new Visible ...

The widely talked about Comet 3I/ATLAS will pass by the sun on Thursday, but it will be December before stargazers can get a ...

A distant gas giant the size of 10 Jupiters is now the first planet outside Earth's solar system to be mapped in three ...

Comet 3I/ATLAS is warming up as it approaches the sun, causing a jet to emerge. The jet is visible in a dramatic new image.

The highly anticipated interstellar comet is currently invisible from Earth and completely hidden by the Sun's glare.

Katelyn Eaman can appreciate the power of the sun better than most. The geology graduate student researches how Mars’ now-barren landscape was carved and transformed by ancient waterways. That water ...

Astronomers have discovered asteroid 2025 SC79, a skyscraper-sized space rock orbiting the sun in just 128 days. the ...