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Primordial black holes

Want to find a black hole? Pick up a rock

Hubble image of M53

‘Blue straggler’ likely born from a collision of stars

The sun during the winter solstice. Pixabay/ AlainAudet

Science, Solar System

Why the winter solstice is the longest night every year, and when it happens in 2024

Pearl Young at NACA’s Langley Memorial Aeronautical Laboratory

Space Exploration

Pearl Young, the first woman to work in a technical role at NASA, overcame barriers and ‘raised hell’

SpaceX Starlink launch

Robotic Spaceflight

Astronomers urge FCC to research impacts of space junk

Ursa Major constellation

Explore the Big Dipper this winter

The Red Planet lights up a famous star cluster this month

Space Exploration

OPINION: An aerospace expert on NASA’s Orion crew capsule heat shield issues during Artemis I

Artist's impression of Kepler-1649 c

Could deuterium be the key to finding aliens?

The Sun

Solar System, Stars

What’s in the National Academies’ Decadal Survey for Solar and Space Physics?

Robotic Spaceflight, Solar System

NASA conducts first otherworldly aircraft accident investigation

Sun-like stars experience superflares roughly once per century