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Articles on Hubble Space Telescope

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Galaxy NGC 6822, neighbouring the Milky Way galaxy, being studied to learn more about stars and dust in the early universe. (NASA/James Webb Space Telescope)

How old is the universe exactly? A new theory suggests that it’s been around for twice as long as believed

A new hypothesis suggests that the universe may be twice as old as we had believed. Observations from the James Webb Space Telescope provide new information on the rate of the universe’s expansion.
An artist’s concept of an astronaut walking on Mars. But what would happen if the astronaut weren’t wearing a space helmet? cokada/E+ via Getty Images

Could people breathe the air on Mars?

Mars is the fourth planet from the Sun and one of our closest neighbors in space. But it’s not a very welcoming place for an Earthling to visit.
NASA’s James Webb telescope mirror undergoing cryogenic testing. Ball Aerospace/Flickr

Six space missions to look forward to in 2021

India may land on the Moon this coming year, while Nasa will launch its new, powerful rocket farther into space than any other human rated spacecraft.
Mission specialist Sally Ride became the first American woman to fly in space. NASA's Goddard Space Flight Center

Astronaut Sally K. Ride’s legacy – encouraging young women to embrace science and engineering

35 years ago Sally Ride became the first American woman in space. But rather than focus on her own extraordinary achievements, her passion became boosting the number of girls pursuing STEM. Another pioneering astronaut remembers her friend and colleague.
The truth is we don’t really know if space goes on forever – but maybe, one day, we will find out. Sweetie187/flickr

Curious Kids: Does space go on forever?

People used to think that when they looked up at the night sky, they were seeing all of space. Then American astronomer Edwin Hubble found out something so amazing, NASA named a telescope after him.
Part of CSIRO’s ASKAP antennas at the Murchison Radio-astronomy Observatory (MRO) in Western Australia. Australian SKA Office/WA Department of Commerce

A machine astronomer could help us find the unknowns in the universe

It’s almost impossible for any human to spot something unknown or unusual in the massive amount of data collected by our telescopes. So we’re teaching an intelligent machine to search the data for us.

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