"Observations of sun-like giant stars currently point towards Earth's survival, but we need better observations before we can ...

A spacecraft rocketed into orbit Friday to rescue a NASA telescope that is in danger of crashing back to Earth.

In 1989, the Canadian region of Quebec experienced something that likely shocked many of its residents: the Sun knocked out its power grid. Caused by a geomagnetic storm, the resulting blackout made ...

Astronomers used the James Webb Space Telescope to observe a distant galaxy merger called CRISTAL-02. CRISTAL-02 is losing gas faster than it is creating stars, which could halt future star formation.

Katalyst Space Technologies built a robotic spacecraft to boost a NASA space telescope, Swift, to a safe orbit before falling back to Earth. Credit: NASA illustration During the fierce solar storms of ...

For more than a century, cosmic rays have remained one of astronomy’s lingering puzzles. These tiny particles move through space carrying extraordinary amounts of energy, arriving from distant corners ...

Informed by science from the Smithsonian Astrophysical Observatory and astronomers worldwide, this “documentary that you can walk through” visualizes the cosmos in a 3D introduction to the universe ...

Three solar flares burst from the sun this week, raising the chances of seeing the northern lights for people across the United States.

Our sun is a roiling mass of energy, with solar flares exploding on its surface, sending gas, plasma, and light that blasts across the solar system. When radiation from extra-powerful flares breaks ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A large comet has exploded as a result of thermal pressure while ...

In a stroke of luck, astronomers saw the comet C/2025 K1 (ATLAS) break into four or five fragments in November after it passed close to the sun. By Robin George Andrews Astronomers on Wednesday ...