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We could be living in a black hole
Under the radar And our universe may not be the only one
Under the radar -
Dark energy may not doom the universe, data suggests
Speed Read The dark energy pushing the universe apart appears to be weakening
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'This recommendation is reasonable and in line with the evolution of medical consensus'
Instant Opinion Opinion, comment and editorials of the day
Instant Opinion -
Upcoming celestial events to watch
The Explainer Meteor showers, eclipses and more are coming to the skies
The Explainer -
All the major moon landings so far
The Explainer One giant leap for mankind
The Explainer -
How NASA is planning to get humans to Mars
In Depth The upcoming Artemis II mission is the first step in a long mission
In Depth -
What is NASA working on?
In Depth A running list of the space agency's most exciting developments
In Depth -
'The next US president should rethink the program in its entirety'
Instant Opinion Opinion, comment and editorials of the day
Instant Opinion -
NASA's Europa Clipper blasts off, seeking an ocean
Speed Read The ship is headed toward Jupiter on a yearslong journey
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Why water on Mars is so significant
The Explainer Enough water has been found to cover the surface of the Red Planet – but there's a catch
The Explainer -
Liquid water detected on Mars raises hopes of life
Speed Read A new study suggests huge amounts of water could be trapped beneath the surface of Mars
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What would a colony on the Moon look like?
Today's Big Question People could be living in lunar 'houses' by 2040, says Nasa
Today's Big Question -
A private astronaut wants to save the Hubble Space Telescope — but NASA has concerns
Under the Radar The telescope is expected to burn up in the atmosphere in the 2030s
Under the Radar -
The hunt for Planet Nine
Under The Radar Researchers seeking the elusive Earth-like planet beyond Neptune are narrowing down their search
Under The Radar
