A large asteroid barely known to science zoomed past the Earth on Thursday, speeding by within 73,000km of the planet. That might sound far but it's about a fifth of the distance to the Moon, scientists said, and a pretty close call.
When President Donald Trump asked Buzz Aldrin, the second human ever to walk on the moon, what he thought about the United States' current ability to operate in space 50 years after the Apollo 11 mission, the ex-astronaut had a ready response.
Day will turn into night on Tuesday afternoon as the sun, moon and Earth align perfectly during the first total solar eclipse since 2017. The eclipse will only be visible across the southern Pacific Ocean and South America, but can be seen anywhere from around the world online through NASA TV.
After mysteriously expanding for decades, Antarctica's sea ice cover melted by an area four times greater than France in just a few years and now stands at a record low, according to a study published on Monday.
NASA said on Friday it will open up the International Space Station to business ventures including space tourism as it seeks to financially disengage from the orbiting research lab. Price tag? Tens of millions of dollars for a round trip ticket and US$35,000 a night.
A world-spanning network of telescopes called the Event Horizon Telescope zoomed in on the super-massive monster in the galaxy M87 to create this first-ever picture of a black hole.
What should have been a giant leap for womankind has turned into a stumble on the path to equality after U.S. space agency NASA canceled the first all-female spacewalk due to a lack of a spacesuit in the right size. Anne McClain and Christina Koch had been due to step into history books in a spacewalk Friday, during the final week of Women's History Month.
The United States and Brazil have negotiated an accord to safeguard U.S. space technology the South American nation hopes will be used in commercial rockets lifting off from its launch site near the equator, the Brazilian government said on Monday.
During 14 years of intrepid exploration across Mars, it advanced human knowledge by confirming that water once flowed on the red planet - but NASA's Opportunity rover has analyzed its last soil sample. The robot has been missing since the US space agency lost contact during a dust storm in June last year and was declared officially dead on Wednesday, ending one of the most fruitful missions in the history of space exploration.
Nasa has released a striking photo of a rectangular iceberg floating in the Weddell Sea off Antarctica. The US space agency said the object's sharp angles and flat surface suggested it had recently broken away from an ice shelf. The edges are still pointed, and have not yet been worn down by the ocean waves.