The most powerful solar flare of 2025 has launched a ball of energy toward Earth that could trigger widespread auroras across ...

The X5.1-class eruption from sunspot AR4274 is this year's most powerful solar flare and Earth is in the firing line.

A series of three powerful flares and associated explosions of solar material out across the Solar System have set Earth ...

There were significantly more X-class solar flares in 2024 than any other year for at least three decades. The arrival of solar maximum was a key reason for the spike, but other factors were also at ...

The back-to-back eruptions caused radio blackouts across two hemispheres as the active sunspots turn to face Earth.

The sun has a bone to pick with Earth — and it’s not done yet. A colossal solar storm just zapped the daylight side of the planet, causing global blackouts and knocking out radio signals across Europe ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new simulations show. By Katherine Kornei If our species manages to hang on ...

When planetary rings are mentioned, the image of Saturn immediately comes to mind. However, this celestial feature is not exclusive to gas giants and appears in much more unexpected places in ...

Alpha Centauri, the nearest star system to the sun, is probably shedding comets and asteroids into our solar system — and even producing a few meteors in our sky. Located just 4.3 light-years from ...

As the third confirmed interstellar object to pass through our solar system, 3I/ATLAS is prime for new discoveries. It was ...