A small, inconspicuous meteorite may be about to change our understanding of how and when our solar system formed. Tiny shavings from the meteorite Northwest Africa 12264 are challenging the long-held ...

The flares may heat up and inflate the planet's atmosphere, which is dominated by hydrogen and helium. Being lashed by these ...

"Space ice" contains tiny crystals and is not a completely disordered material like liquid water, as previously assumed, ...

Scientists have detected planet-forming pebbles around two young stars, providing insight into the birth of solar systems ...

Mars has long captured humanity’s imagination, especially given the tantalizing evidence of ancient river valleys and ...

The Celestron NexStar 8SE is the cheapest we've seen it since January — this deal is one to watch during Prime Day.