outer space

Soviet cosmonaut Major Yuri Gagarin is shown in a black and white portrait photograph wearing a space helmet with the visor open.
Science
It’s been 60 years since Yuri Gagarin became the first man in outer space
Curiosity Rover selfie
Science & Technology
‘The Sirens of Mars’: A scientist’s personal journey and the rich history of Mars exploration
A US flag flutters in the breeze. In the background, a rocket launchpad
Science & Technology
What private companies could mean for NASA space exploration
The moon is red-orange as it hangs in the sky next to the left of a high-rise building.
Science
Rare ‘super blood blue moon’ visible on Jan. 31
Moonrise from aboard the International Space Station, August 3, 2017.
Science
What happened to the moon’s magnetic field?
A screen shot from Abel Méndez's lab note titled "Strange Signals from the Nearby Red Dwarf Star Ross 128."
Science
Astronomers try to decipher ‘peculiar signals’ from nearby star Ross 128
President Trump during a video conference with the astronauts aboard the International Space Station this week
Technology
Astronauts are baffled by Trump’s space travel plans
French astronaut Thomas Pesquet on his first spacewalk on Jan. 13.
Science
French and US astronauts spacewalk for space station repairs
Galaxies
Education
Astronomers report there are 2 trillion galaxies in the ‘observable’ universe
An artist's impression of ESA's Rosetta approaching comet 67P/Churyumov-Gerasimenko. The comet image was taken on August 2, 2014, by the spacecraft's navigation camera at a distance of about 500 km. The spacecraft and comet are not to scale.
Science
Scientists prepare for a historic landing on a ‘seething and sputtering and spitting’ comet
Emerging Science Note/ Space Dust