For First Time, Einstein's Relativity Used to Weigh a Star
Scientists employ ‘gravitational lensing’ to measure the mass of a white dwarf
Stories by Calla Cofield
NASA's Next Big Observatory to Go under the Microscope
An independent review panel will scrutinize the space agency’s in-progress Wide-Field Infrared Survey Telescope to ensure the project is on track
Russia Could Stay with the International Space Station to 2028
The orbital outpost is presently slated to be retired as early as 2024
Telescope Sets Sights on Universe's First Stars
New funding will help the HERA observatory to peer deeper into the cosmic past than ever before
U.S. and Russia May Explore Venus Together
NASA officials are considering taking part in the upcoming Russian Venera D mission
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
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
![Dashboard Camera Captures Bright Green Fireball Streaking Over U.S. Midwest [Video]](/sciam/cache/file/92DFB964-BF27-4A4B-91B472D65599C712_small.jpg)
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
IceCube Closes in on Mysterious Nature of Neutrinos
The Antarctica-based observatory has found hints of strange patterns in the ghostly particles' masses
Galactic Murder Mystery Solved by Gas Stripping
Astronomers unveil a new mechanism to explain the premature demise of young galaxies
Trump and Space: Panel Forecasts Changes to Come
As Trump’s “landing team” touches down at NASA, science community members mull ways to interact with politics
Neutron Star May Display First Evidence of 80-Year-Old Quantum Prediction
Polarized light suggests the presence of quantum phenomenon first predicted in the 1930s
Jupiter's Stripes Go Deep
The latest science returns from NASA's Juno mission to Jupiter are filled with surprises
New Dwarf Planet Found in Our Solar System
The object is 530 kilometers across, and lurks in a region beyond Pluto
Hubble Telescope Zooms in on Comet's Death Throes
New images capture best-yet view of cometary disintegration
Mock Mars Explorers Emerge from Habitat to End Year of Isolation in Hawaii
Six “astronauts” spent 12 months in a dome or wearing space suits on a barren volcano
SpaceX May Launch Private Mars Mission as Early as 2018
The company is said to be demonstrating technology to land large payloads
Possible Light Flash from Black Hole Collision Spotted
Scientists are "cautiously saying" the light may be associated with the black hole merger detected via gravitational waves
SpaceX Sticks a Rocket Landing at Sea in Historic First
Following a smooth cargo launch, a reusable Falcon 9 rocket booster touches down successfully on a drone ship
NASA's Decaying Spaceflight Facilities Preserved in Photos
In Abandoned in Place photographer Roland Miller takes readers on a tour of the right stuff turned to relics
