This week in science: Mysterious molecules on Mars are tricky to explain without life; a compound that cuts cholesterol as a ...

NASA's new SPHEREx observatory has released its first all-sky cosmic map. This map uses 102 infrared wavelengths to reveal the universe in unprecedented detail. Scientists can now study cosmic ...

The sunspot region designated AR 14098 rotated over the Sun’s eastern limb in late January carrying magnetic complexity ...

Sofia Trazona has opened up about the unwavering support she receives from her biological father, Michael Navarro, saying she now feels like a true “papa’s girl.” In a recent TikTok video, the drag ...

In 2014, a NASA telescope observed that the infrared light emitted by a massive star in the Andromeda galaxy gradually grew brighter. The star glowed more intensely with infrared light for around ...

What if the Milky Way’s central “black hole” isn’t a black hole at all? A new model proposes that an ultra-dense dark matter core could mimic its gravitational pull.

For decades, scientists have been observing how galaxies spin and move throughout the universe. Gravity acts on stars and galaxies, in the same way it keeps you from floating off into space. Heavier ...

Recent observations suggest that 'runaway' black holes are tumbling through the cosmos. Building on decades of theory, the discovery adds a remarkable new chapter to the story of the universe.

Since the 1990s, astronomers have found a handful of other dwarf planets in the belt, such as Eris and Sedna, along with ...

Hosted by Ayesha Rascoe, "The Sunday Story" is NPR's weekly news and culture magazine exploring one topic in depth through conversations, interviews and deeply-reported narrative journalism.