The Countdown

The Countdown

What’s happening in space, right now!

The Countdown, Episode 2: a Mars Party, Star vs. Black Hole, Thunderous Gamma Rays, Meteoroid Fireworks, Money for Space Taxis


Story 5

NASA's Curiosity rover touched down on Mars early Monday morning, setting off a worldwide celebration.


NASA's Curiosity Rover Lands Safely on Mars

Video: NASA Lands Car-Sized Rover Near Martian Mountain

Curiosity Targets Gale Crater

Mars Party of the Decade Reaches Fever Pitch

Story 4

Black holes have the size and mass to devour entire stars, although this has never been observed--until now.


Satellites Watch Stellar Death Throes

Story 3

Scientists are beginning to understand how thunder clouds produce powerful gamma rays--and antimatter.


Thunderclouds Make Gamma Rays—and Shoot Out Antimatter, Too [Preview]

Story 2

Early in the morning on August 12th, you'll be able to see the Perseid meteor shower, named for the constellation Perseus.


August Perseid Meteor Shower Has Long Legacy, Bright Future

Perseid Meteor Shower Weather Forecast

EarthSky’s Meteor Shower Guide for 2012

Story 1

NASA recently granted three companies 1.1 billion dollars to develop private space taxis, which will ferry astronauts to and from low-Earth orbit.


NASA Chooses SpaceX to Return US Astronauts to Space

NASA Awards $1.1 Billion in Support for 3 Private Space Taxis

NASA Press Release

The views expressed are those of the author and are not necessarily those of Scientific American.

Share this Article:


You must sign in or register as a member to submit a comment.

Email this Article