Over billions of years, the Sun will gradually increase in brightness and size, eventually transforming into a red giant.

Astronomers using Hubble and ground telescopes observed a two-phase coronal mass ejection from EK Draconis, a young Sun-like star.

After running out of fuel, our star too will accelerate outward as a red giant, consuming Mercury, Venus and possibly even ...

California-based startup Reflect Orbital aims to build a swarm of 4,000 giant mirrors in low Earth orbit to "sell sunlight" ...

The Universe still holds many surprises, as demonstrated by this exceptional observation of a dying star devouring the ...

Indeed, the planetary nebula seen above, known as the Red Spider Nebula and imaged by the James Webb Space Telescope (JWST), ...

Manhattan-sized comet 3I/ATLAS — which scientists suspect could have extraterrestrial origins — will reach its closest ...

Scientists found 13 heavy chemical elements polluting the atmosphere of the star named LSPM J0207+3331, which is located ...

Three billion years ago, a sun -like star reached the end of its life, throwing off its outer layers following its red giant ...

Recent sightings of interstellar comet 3I/ATLAS have sparked discussions of Jewish hopes and fears about extraterrestrial ...

The Texas Tech football team nearly pulled off the comeback, but the defense ran out of gas as Arizona State scored the game-winning touchdown with 34 seconds left to end the Red Raiders' undefeated ...

Walmart is diving into the world of agentic AI, as it invests in artificial intelligence to improve operations. Through a partnership with OpenAI, the retailer is enabling shoppers to make store ...