Space exploration and travel
Bacteria in one of the most extreme places on Earth point toward past life on Mars.
Take a tour through the lenses of space telescopes.
Other researchers dispute whether astronauts would experience the type of radiation used in the experiment.
Appreciate anniversaries marked by moonwalks and stellar fireworks this month
Researchers suggest that flexible blankets or domes made of silica aerogel could protect crops on the red planet.
Digitizing all of Apollo would have taken an appalling 175 years.
A different set of ingredients may be needed to take the next giant leap for humankind.
How you cover a trip to the moon and share the news with the world.
A reporter recalls what it was like to cover the space race.