Articles for tag: AncientStars, astrophysics, EarlyUniverse, OldestStars

red and black galaxy illustration

The Universe’s Oldest Stars Reveal Surprising Secrets

Suhail Ahmed

  For decades, astronomers thought the earliest stars were little more than distant pinpricks, silent witnesses to a universe still finding its shape. Now, those same ancient suns are turning into loud storytellers, upending long-held theories about how galaxies, black holes, and even the elements in our blood first formed. Using a new generation of ...

galaxy with starry night

The First Stars in the Universe May Have Been Colder Than We Thought

Suhail Ahmed

For years, textbooks painted the first stars as cosmic blowtorches – monstrously hot, lighting up the dark with ferocious energy. But a puzzling radio whisper from deep time suggests a quieter beginning, a chillier dawn that defies expectations. The mystery pivots on a faint hydrogen signal, stretched by the universe’s expansion and now echoing in ...