Science

May 28, 2017

Cassini Takes Most Dangerous Saturn Ring Dive Yet

The Cassini spacecraft completes its sixth dive between Saturn and its rings today (May 28), and this is the most dangerous dive yet. Instead of passing […]
May 25, 2017

TRAPPIST-1h Orbit Suggests It Is Too Cold for Life

Scientists have confirmed that all seven planets in the TRAPPIST-1 system circle their star in a sort of gravitational lockstep with one another. The orbits of […]
May 24, 2017

New Mars Rover Looks Like a Real Life Batmobile

Mars is in everyone’s sights, with both NASA and SpaceX planning manned trips to the red planet in the next decade or so, so it makes […]
May 23, 2017

Space Aggressors’ Train US Forces for Extraterrestrial Conflict

Elite military units are specializing in mock space warfare, as Russia and China develop anti-satellite weaponry. In a large, tin-roofed warehouse near Colorado’s Rocky Mountains, members […]
May 18, 2017

Who’s Out There?—Star Chips? (and required reading for students of alife and exobiology)

When I first heard the idea I was appalled. Spend millions of dollars to pepper the vicinity of Proxima Centauri‘s planet with light-beam-propelled Starchips? Even if […]
May 16, 2017

Cosmic rays suggest dark matter is a self-annihilating WIMP

Two papers analyze new precision data from the AMS-02 instrument on the ISS. What happens when two dark matter particles collide? We don’t know the answer […]
May 13, 2017

Mars May Have Been Born in the Asteroid Belt

Research suggests that gravitational interactions forced Mars out of the asteroid belt and toward the sun about 120 million years after the birth of the solar […]
May 11, 2017

The Moon Is Hot and Mars Is Not (At Least in Recent Sci-Fi)

Andy Weir’s new novel ‘Artemis’ is set on the lunar surface, but it’s hardly the only recent novel to focus on the moon over Mars. The […]
May 5, 2017

Stephen Hawking says we have 100 years to colonize a new planet—or die. Could we do it?

Here’s what it would take to survive this particular doomsday prophecy Stephen Hawking is making apocalyptic predictions again. The respected theoretical physicist warns that humanity needs […]