Stories by John Matson

NASA may not get astronauts back to the moon by 2020 after all

Complex organic molecules detected in interstellar space

Tiny dust grains, empowered by the sun, pose big problems on the moon

Physicist Stephen Hawking hospitalized, "very ill"

Former NASA chief moves on--NASA not so much

Distant Starbursts Light Up the Sky--We Just Can't See Them

Stephen Colbert gets consolation namesake prize from NASA

Creaky Mars rover suffers through another confusing weekend

Will Stephen Colbert get his space module? The suspense ends tonight

Longtime Nature editor John Maddox dead at 83

"Earthshine" shows how planets may reveal their watery surfaces

Evidence builds that North Korea's launch was a missile test

Kepler spacecraft open for business

Spaceflight wreaks havoc on astronauts' muscles

All quiet on the sunspot front

North Korea claims successful rocket launch, others disagree

Field Equations: The Physics of Baseball

Does Tommy John surgery give pitchers an arm up in competition?

NASA's embattled inspector general steps down

Hubble's archive shows hidden exoplanet discovered 10 years later

Heads up: 100 Hours of Astronomy celebration starts today

Math against Profiling

Volunteers set to spend 105 days in isolation module, trial for Mars mission

Earthquake shakes the San Francisco Bay Area