Solar systems mostly keep to themselves. What’s ours is ours and what’s not is not. Stars are simply too far from each ...

NASA's PUNCH mission, launched in March 2025, is already delivering remarkable results. The mission captured a rare "rainbow" ...

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

Astrophotographer Thierry Legault captured the International Space Station transit the Sun. The NASA astronauts were ...

To get a glimpse of the “Swift Planet,” EarthSky suggests waiting for the sun to set before looking west for the planet ...

Astronomers have confirmed that a recently spotted object is an interstellar visitor, and appears to have come from the ...

Right now, Earth is about 3.1 million miles farther from the sun than it is in early January when it reaches perihelion, its ...

NASA said the comet will make its closest approach to the sun in late October, scooting between the orbits of Mars and Earth ...

Just last month, a powerful solar storm lit up skies across the northern hemisphere, producing vivid auroras visible as far ...