A strong solar flare peaked just after 9 a.m. Tuesday. What does that mean?

Fired from a vast sunspot, the "coronal mass ejection" is expected to reach Earth on either Thursday or Friday this week.

Exploring Earth's deep interior is a far bigger challenge than exploring the solar system. While we have traveled 25 billion km into space, the deepest we have ever gone below our feet is just over 12 ...

A rare carbonaceous meteorite discovered in the Western Sahara has captured the attention of scientists for containing grains ...

Coronagraphs are telescopes equipped with an occulting disk to block out the overwhelming radiation emanated from the visible surface of the Sun, along with optical stops and filters that are ...

The phenomenon of the Moon slowly moving away from Earth often sparks various speculations, ranging from climate change to ...

Solar flares and geomagnetic storms can have very significant effects on satellites, airplanes and GPS and electrical systems ...

The countdown is complete and SpaceX has finally acquired xAI in a deal valued at around $1.25 trillion.

A NASA mission is underway to map the heliosphere, which is a huge protective bubble around the solar system that was created by the sun.

A newly identified Earth-sized exoplanet with a year-long orbit may lie near its star’s habitable zone, but extreme cold could limit its chances of hosting liquid water.

Picture a spacecraft returning to Earth after a long journey. The vehicle slams into the planet's atmosphere at roughly ...

Jeff Bezos' Blue Origin announced plans to pause its New Shepard human spaceflights for at least two years to focus on ...