Outer space

Soviet cosmonaut Major Yuri Gagarin is shown in a black and white portrait photograph wearing a space helmet with the visor open.

It’s been 60 years since Yuri Gagarin became the first man in outer space


Author Stephen Walker discusses his biography on Yuri Gagarin with The World’s host Marco Werman.

Curiosity Rover selfie

‘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

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.

Rare ‘super blood blue moon’ visible on Jan. 31

Moonrise from aboard the International Space Station, August 3, 2017.

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."

Astronomers try to decipher ‘peculiar signals’ from nearby star Ross 128


The mystery has gripped the internet as speculation mounts about the potential for a discovery of alien life on the red dwarf star known as Ross 128 — despite the best attempts of astronomers to put such rumors to rest.

President Trump during a video conference with the astronauts aboard the International Space Station this week

Astronauts are baffled by Trump’s space travel plans


Trump told NASA: Get to Mars before I leave office, OK? But the new timetable has experts in space travel checking their math.

French astronaut Thomas Pesquet on his first spacewalk on Jan. 13.

French and US astronauts spacewalk for space station repairs


French astronaut Thomas Pesquet and US astronaut Shane Kimbrough switched on their spacesuits’ internal battery power, and walked into space to help install three new, refrigerator-sized lithium-ion batteries to upgrade the power system at the International Space Station.


Astronomers report there are 2 trillion galaxies in the ‘observable’ universe


That’s 20 times more than previously thought.

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.

Scientists prepare for a historic landing on a ‘seething and sputtering and spitting’ comet


If you think parallel parking is hard, then consider the European Space Agency’s latest mission. ESA’s Rosetta mission will attempt to land a small robot on a rocky comet barreling through space at more than 34,000 miles an hour.