51¶¯Âþ

space-time

Lunar base

Space

Kilometre-high concrete towers on the moon could power a lunar base

The moon’s lower gravity makes it practical to build huge towers covered in solar panels, using the lunar soil to create concrete. Such a tower at the moon’s south pole could power a crewed base

51¶¯Âþ

satellites

Physics

Photonic laser thruster could power spacecraft from Earth

51¶¯Âþ

We may have to rewrite our understanding of gravity

Space

We may have to rewrite our understanding of gravity

Comment

Did time flow in two directions from the big bang, making two futures?

Physics

Did time flow in two directions from the big bang, making two futures?

Features

rocket

Space

Space junk foils astronomers observing oldest galaxy in the universe

51¶¯Âþ

A warp drive that doesn't break the laws of physics is possible

Physics

A warp drive that doesn't break the laws of physics is possible

51¶¯Âþ

Crew of mock lunar 'biosphere' grew food and made oxygen for 200 days

Space

Crew of mock lunar 'biosphere' grew food and made oxygen for 200 days

51¶¯Âþ

Solar Opposites review: Clever, silly and bound to be an instant hit

Space

Solar Opposites review: Clever, silly and bound to be an instant hit

Culture

NASA's Perseverance rover has sent back incredible images from Mars

Space

NASA's Perseverance rover has sent back incredible images from Mars

51¶¯Âþ

NASA's Perseverance rover has landed safely on the surface of Mars

Space

NASA's Perseverance rover has landed safely on the surface of Mars

NASA’s Perseverance rover has landed, and it will soon start taking dust samples to be returned to Earth and searching for evidence of ancient life on Mars

51¶¯Âþ

Space

The United Arab Emirates’ Hope orbiter is about to arrive at Mars

51¶¯Âþ

Space

Rare images show role of collisions in galactic evolution

Regulars

How time works with Sean Carroll

Physics

Physicists find best way for insects to avoid collisions when jumping

51¶¯Âþ

Piano Exit Overlay Banner Mobile Piano Exit Overlay Banner Desktop