Could SpaceX Get People to the Moon in 2018?
The private launch company must overcome several hurdles to meet its aggressive schedule for an ambitious lunar mission
Stories by SPACE.com
NASA's Mission to Europa Enters Design Phase
Although it won't launch until the 2020s, the spacecraft's key components are being designed right now
Physicists Catch Antimatter and Matter Misbehaving
Experiments at the Large Hadron Collider reveal subtle distinctions in how matter and antimatter decay
SpaceX to Fly Humans around the Moon as Soon as 2018
Two private citizens have already paid a "significant deposit" to reserve seats on the spaceflight company's nascent Falcon Heavy rocket
Nameless No Longer: Pluto's Geography to Receive Official Titles
An international group of astronomers is set to codify a crop of informal names for the dwarf planet's geographical features
Trump Adviser Urges NASA to Fly Crew on Crucial Test Flight
The space agency is considering adding astronauts to the first lunar voyage of the Space Launch System rocket and Orion capsule
Could Pluto Regain Its Planethood?
A proposed new definition for what constitutes a "planet" could reinstate the demoted icy world
Astronomers Snap Supernova's Baby Pictures
Images of an exploding dying star taken just a few hours after its detonation are revealing new details of stellar death
North Korea's Missile Threats to the U.S. May Not Be Empty for Long
North Korea has always talked the talk, and now it seems to be walking the walk as never before
Astronomers Spy Dusty "Traffic Jam" in Young Star System
The newfound structures in disks of dust and gas around newborn stars could aid planet formation
New Study Pins Down Jupiter's Birthday
The gas giant planet took shape within 4 million years of our solar system's formation
Midsize Black Hole Found Hiding in Globular Cluster
The discovery brings the number of known "intermediate-mass" black holes to about a dozen
World's First Atomic Blast Tests Theories of Moon's Formation
Radioactive glass from the Trinity nuclear test site resembles ancient moon rocks
What Warmed Ancient Mars?
New data from NASA's Curiosity rover suggest a surprising dearth of greenhouse gases in the Red Planet's distant past
Black Hole Binges on Record-Setting Stellar Meal
A trio of x-ray observatories has spied a supermassive black hole feasting on a giant star for more than a decade
![Dashboard Camera Captures Bright Green Fireball Streaking Over U.S. Midwest [Video]](https://static.scientificamerican.com/sciam/cache/file/92DFB964-BF27-4A4B-91B472D65599C712_agenda.jpg?w=275&h=154&fit=crop)
Dashboard Camera Captures Bright Green Fireball Streaking Over U.S. Midwest [Video]
The 300-kilogram meteor created a sonic boom, and may have dropped fragments into Lake Michigan
NASA's Next Rover Faces Steep Challenges on Path to Mars
A new report details problems that could push the Mars 2020 rover over-budget and behind schedule
Are Wormholes a Dead End for Faster-Than-Light Travel?
Portals connecting far-distant regions of the universe may not be just the stuff of science fiction, but they probably couldn't be used for interstellar travel
IceCube Closes in on Mysterious Nature of Neutrinos
The Antarctica-based observatory has found hints of strange patterns in the ghostly particles' masses
Traces of Oxygen on the Moon Come from Earth's Plants
Earth's biosphere has bathed the lunar surface for billions of years
