Both NASA and the Indian Space Research Organization placed spacecraft in orbit around Mars last month. They’ll join forces on an Earth-orbiting mission set for 2020.
Posts by Deborah Byrd
A famous shot by Ansel Adams inspired this photo by Daniel McVey.
A total eclipse of the moon on October 8. Comet Siding Spring just misses Mars on October 19. A partial solar eclipse on October 23. Plus Mars, Saturn, Mercury and Jupiter!
The Worldwatch Institute quantifies the steady decline of nuclear energy’s share of global power production, and renewable energy’s increased share.
Gamma Cephei (aka Errai) is a binary star system with at least one planet. It’ll someday be a North Star for Earth.
The glow of a town and more-distant glow of the zodiacal light shine above an Australia lake. Even farther away is the arc of the Milky Way.
Two early images from India’s MOM spacecraft. One shows an edge of Mars, with the planet’s tenuous atmosphere above. The other shows the whole planet. Beautiful!
Experts used “scenarios” to suggest global human population will stabilize around 9 billion by about 2050. A new statistical analysis tells a different story.
The icy core of Comet C/2013 A1 Siding Spring won’t strike Mars when it sweeps closest on October 19. But what a sight from Mars’ surface!
Take a last look at Antares, the legendary Heart of the Scorpion – and identify Mars – near tonight’s moon.