Plus: President Donald Trump spoke with both Russian President Vladimir Putin and Ukrainian President Volodymyr Zelenskyy ...

Dark matter makes up 85% of the universe, but researchers, including Vera Rubin herself, historically have had a hard time ...

This lifespan began roughly 4.6 billion years ago, and will continue for about another 4.5 - 5.5 billion years, when it will deplete its supply of hydrogen, helium, and collapse into a white dwarf.

Scientists think they found evidence of weird ancient stars called "dark stars" that are powered by dark matter instead of ...

I’ve spent much of my long life studying — and trying to understand — the history of the universe. Along the way, I have been constantly reminded that science is essentially international: Science ...

When it comes to telescopes, there are no bigger names than Hubble and Webb, but why have two space telescopes anyway, how ...

This unprecedented view of the Bullet Cluster provided by the James Webb Space Telescope and the Chandra X-ray Observatory ...

New research is shedding light on what researchers call "lite" intermediate-mass black holes, which are smaller, but still ...

NASA’s SPHEREx mission is mapping the entire sky in 102 infrared colors, turning raw space data into a public tool for ...

Because it doesn't interreact with light or electromagnetism, dark matter exists to us only through its influence on visible ...

Last week the James Webb Space Telescope captured a direct image of what they believe to be a previously unknown exoplanet ...

NASA’s James Webb Space Telescope began its legendary mission unfolding the secrets of our universe and producing some of the ...