Voyager's signal now reaches Earth as a whisper measured in fractions of a billionth of a watt, fainter than almost anything our antennas were built to hear

Spacecraft Heading for Asteroid NASA Slapped so Hard It Changed Its Orbit Gets Crucial OTA Update

The Hera spacecraft is receiving a critical over-the-air update as it journeys toward the asteroid previously impacted by the DART mission.

This Startup Wants to Use Space Mirrors to Light Up Earth at Night. Feds Just Said Go Ahead

Why is Venus hotter than Mercury, when Mercury is closer to the Sun?

Venus’s runaway greenhouse effect makes it hotter than Mercury—despite being twice as far from the Sun.

Space jam: astronomers detect ‘raspberry sugar’ on dust cloud in Milky Way

Astronomers uncover a key sugar molecule in a cosmic dust cloud—raising questions about the building blocks of life in space

6,000-year-old infant from ancient Mesopotamia shows one of the world's oldest signs of child abuse

A 6,000-year-old Syrian infant’s broken ribs may rewrite history’s earliest records of child abuse.

Space junk debris cloud discovered in high-traffic orbit 'is a potential minefield' for the costliest satellites

A hidden debris cloud in Earth's busiest orbit threatens multi-billion-dollar satellites—experts warn collision risks are rising