# space

galaxies without dark matter may actually be full of it
# space

galaxies without dark matter may actually be full of it

Galaxies seemingly lacking dark matter which threatened to rule out alternative ideas about what dark matter could be may actually be full of it, according to a second, in depth look.

when worlds collide: what happened the day the earth died
# space

when worlds collide: what happened the day the earth died

According to a new study, Earth's collision with a Mars-sized protoplanet 4.5 billion years ago didn't just create the Moon. It also gave us our oceans and helped life get started.

unmasking a monster: a “stunning confirmation” of black hole theory
# space

unmasking a monster: a “stunning confirmation” of black hole theory

The Event Horizon Telescope’s image of M87* is so good that theorists thought it was too good to be true.

are diffused galaxies a blow to the theory of modified gravity?
# space

are diffused galaxies a blow to the theory of modified gravity?

Are two galaxies which seem to lack dark matter proof that dark matter must be a particle rather than a quirk of gravity at cosmic scales. Well, it's actually kind of complicated...

how jupiter may have moved it, moved it from the outer reaches of the solar system
# space

how jupiter may have moved it, moved it from the outer reaches of the solar system

Considering what we know about planetary formation, Jupiter shouldn’t have been able to grow as massive in its current orbit. But a new simulation shows it could’ve been born much, much further away.

surfing the light fantastic: how nanoscale etchings could revolutionize solar sails
# space

surfing the light fantastic: how nanoscale etchings could revolutionize solar sails

If you want to explore our solar system, you need to prepare for multi-year journeys. But a new discovery in nanoscale engineering could help cut the travel time between worlds.

why nasa may be trying to quietly put the sls out of its misery
# space

why nasa may be trying to quietly put the sls out of its misery

NASA appears to be sick and tired of having to wait until the mid-2020s to return to the Moon on a future rocket that will be inferior to the private ones already flying, and easily lapped by ones currently being built.

how can we save earth from a doomsday asteroid? with robotic space jujitsu!
# space

how can we save earth from a doomsday asteroid? with robotic space jujitsu!

It may be tempting to use our nuclear warheads to save the planet from rogue space rocks instead of pointing them at each other, it would be a waste of perfectly good nukes.

home is where the mars rover is
# space

home is where the mars rover is

Now that Opportunity’s mission is complete, many wistfully lament about “bringing our robot home.” There’s just one problem: it’s already home.

why the future is steampunk: steam-powered spacecraft could explore asteroids
# space

why the future is steampunk: steam-powered spacecraft could explore asteroids

Buckle up steampunk enthusiasts, it turns out that not only are steam-powered space probes possible, they might be perfect for hopping between comets and asteroids on research and mining missions.

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