These are the first public images collected by the Chile-based observatory, which will begin a decade-long survey of the southern sky later this year.

The White House bid to terminate NASA’s fantastical flights of exploration “across the solar system” threatens to explode ...

Astronomers are shocked as the largest comet ever seen, Bernardinelli–Bernstein, erupts with gas jets while still far beyond ...

There will be three full moons during the summer. And the sky this season has a number of bright stars that form easily ...

ESA’s Solar Orbiter should solve the longstanding puzzle about why the Sun’s outer corona is so much hotter than its surface.

NASA observes largest Oort Cloud comet, C/2014 UN271, exploding with CO gas jets, thanks to ALMA’s deep-space capabilities.

For years, astronomers have been searching for a mysterious ninth planet lurking in the dark outer reaches of our solar ...

Scientists aimed ALMA at the comet in March 2024 and saw carbon monoxide — a gas that usually doesn’t show up in observations that far away — gushing out of its surface in jets. The team also picked ...

Moving from the outer layer inward, the first layer is the corona — the outermost part of the sun’s atmosphere that is ...

OF201, the object belongs to the same all-star family as Pluto: dwarf planets. Its diameter, roughly 435 miles (700 km), is ...

Astronomers have uncovered a distant celestial body that may be a new dwarf planet, orbiting the Sun from more than twice the distance of Pluto. Found by researchers at the Institute for Advanced ...

Located inside galaxies, these cosmic arrangements are made up of at least one star and all the objects that travel around it ... known as the sun. More than 150 moons orbit worlds in our solar ...