"A three-body problem is extremely complicated. Now we're dealing with four: the sun, Earth, the moon and Mars. The heavy ...

This year marks 30 years of SOHO observing our sun, an extraordinary milestone for a mission originally expected to last only ...

Eating from pouches, sleeping in a bag tied to the wall, using a vacuum-powered toilet: Basic processes of human life require ...

The asteroid Bennu continues to provide new clues to scientists' biggest questions about the formation of the early solar ...

Structure of proposed satellite telecommunication constellations in Low Earth Orbit from 1958 to 2037 (predicted). The ...

There is a way out of this trap, but it requires a fundamental shift in how NASA thinks about astrophysics procurement. It is time to stop buying hardware and start subscribing to outcomes. It is time ...

For around a year now, the Sidewalk Astronomers have been meeting regularly in D.C. to show people that gazing at the stars ...

Daichi Fujii from the Hiratsuka City Museum in Japan captured a meteor impact the moon with multiple telescopes. Credit: Daichi Fujii (Hiratsuka City Museum) | edited by Space.com's Steve Spaleta Musi ...

A full moon at its closest point to Earth: December opens this week with a full moon, dubbed the “Cold Moon,” that also ...

For thirty years, SOHO has delivered an unprecedented, nearly unbroken view of the Sun, surviving multiple near-catastrophic ...

The Geminids peak Dec. 13, producing up to 120 meteors per hour visible from 8 p.m. until sunrise. Plus, a recap of ...

All eyes are on the sky, as the exocomet will fly by Earth, the closest ever, at 1.7 AU on December 19. It will soon be ...