Astronomers traced a mysterious 'scar' of ionized gas around the solar system to two stars that had a close flyby with our ...

Interstellar comet 3I/ATLAS will make its closest approach to Earth early on Friday, Dec. 19. While it won't come close ...

After a decade of painstaking measurements, scientists have delivered a major plot twist in particle physics: a ...

For the first time, scientists have created detailed, 2D maps of the sun's outermost atmosphere. This feat was accomplished ...

Titan, cold and dim behind an orange haze, stands out as a prime place to explore life’s beginnings. Rivers of liquid methane ...

With 3I/ATLAS slated to make its Earth tour in two days, amateur photographers and astronomers alike are scrambling to catch ...

Harvard astronomer Avi Loeb reveals the 14th anomaly of interstellar object 3I/ATLAS, claiming its "wobbling jet" and Sunward ...

The interstellar comet 3I/ATLAS will make its closest approach to Earth this week on Dec. 19, 2025. Here's the latest news ...

3I/ATLAS’ Sunward anti-tail didn’t disappear after it reached its closest point to the Sun, adding to the mystery. To Loeb, ...

Webb traced the light of a dying star, supernova GRB 250314A, from when the universe was only 730 million years old.

On December 19, avid skywatchers can catch a glimpse of the mysterious visitor through powerful binoculars or a telescope ...

SETI's 1977 "Wow!" signal from deep space was even stronger than originally thought, but its source remains a complete ...