David Rankin of the Catalina Sky Survey in Arizona spends nights scanning the solar system for potentially catastrophic space ...

NASA has now confirmed that 3I/ATLAS is not just another visitor from deep space but the largest interstellar comet ever ...

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

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

That not only makes this the first confirmed runaway supermassive black hole, but this object is also one of the ...

Jared Isaacman, the billionaire nominated twice to lead the agency, may draw some lessons from the tenure of another NASA ...

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

The discovery of a hidden supermassive black hole inside an ancient galaxy suggests that some of our universe's most extreme objects could be invisible unless observed in infrared wavelengths, James ...

Our understanding of the true nature of the cosmos relies on measurements of its expansion, but cosmologists have been ...

Astronomers using the James Webb Space Telescope report that a powerful gamma-ray burst detected in March may have been ...

Two of NASA's giants of cosmic discovery, including a rover that launched from Florida, have been named among Time's best ...

NASA's Webb space telescope (Hubble's successor) and Mars rover Curiosity have been included in Time magazine's list of the ...