He wasn't wrong—the sun is 99.8 percent of the mass of the solar system. But what is that giant ball of fire in the sky? How ...

Why does the world store nuclear waste and just not shoot it into the Sun or deep space? – Jason, age 16, Mackay, Queensland.

Astronomers have detected molecules on exoplanet K2-18b that may have been produced by simple organisms, claiming it's the ...

The company’s ambitious new Sunbird design aims to harness nuclear fusion in space, despite the fact that commercializing ...

NASA’s new PUNCH mission just opened its eyes to space, capturing its first images of the Sun’s outer atmosphere and the surrounding solar system. With four satellites now fully activated, scientists ...

The ultimate purpose of PUNCH is to use its four instruments — three wide-field imagers (WFI) and a near-field imager (NFI) — ...

Scientists have hypothesized since the 1960s that the sun is a source of ingredients that form water on the moon. When a ...

This week is International Dark Sky Week. Lights that are aimed upwards or not properly capped illuminate the atmosphere and ...

Space weather may intensify in the coming decades with more frequent solar flares and eruptions to batter the planet. Whilst Earth's technology, including satellites and power grids, is likely to feel ...

NASA's PUNCH mission has captured its first images of the sun's outer atmosphere, marking a key milestone in understanding ...

Astronomers have detected the most promising signs yet of a possible biosignature outside the solar system, although they remain cautious.