Modified XR‑5 Hall thruster operates successfully on orbit
SpaceFlight Insider — 6:55 pm ET (2255 GMT)

For some, loss of CRS-7 Dragon is personal
SpaceFlight Insider — 6:54 pm ET (2254 GMT)

Just Days Before Historic New Horizons Flyby, SOFIA Makes Observations of Pluto
AmericaSpace — 6:53 pm ET (2253 GMT)

Preparations Underway at Wallops for Orbital ATK Antares Return to Flight
AmericaSpace — 6:52 pm ET (2252 GMT)

Dark Matter Map Begins to Reveal the Universe's Early History
Subaru Telescope — 6:51 pm ET (2251 GMT)

Working out in artificial gravity
MIT — 6:49 pm ET (2249 GMT)

Astronomers Predict Fireworks from Rare Stellar Encounter in 2018
NASA/GSFC — 6:48 pm ET (2248 GMT)

Pluto may have spots the size of Missouri
Science News — 6:44 pm ET (2244 GMT)

The Birth of a Planet
National Centre of Competence in Research PlanetS — 6:43 pm ET (2243 GMT)

Global Positioning System: A Generation of Service to the World
US Air Force — 6:42 pm ET (2242 GMT)

Russian Progress M-28M vehicle prepares for critical ISS cargo run
NasaSpaceFlight.com — 6:41 pm ET (2241 GMT)

Congress worries about space industry, reliance on Russian rockets
Washington Business Journal — 6:40 pm ET (2240 GMT)

Data, not debris, takes spotlight in Falcon 9 failure investigation
Spaceflight Now — 6:30 pm ET (2230 GMT)

Ex-Im is Closed to New Business; Will the U.S. Space Industry Suffer?
Space News — 6:29 pm ET (2229 GMT)

U.S. Spending on Space Protection Could Hit $8 Billion through 2020
Space News — 6:28 pm ET (2228 GMT)

New Horizons Spots Methane Ice on Pluto
SPACE.com — 6:28 pm ET (2228 GMT)

Students Aim for Space with 3D-Printed Rocket Engine
SPACE.com — 6:27 pm ET (2227 GMT)

On Pluto's Doorstep: Latest Photos by Approaching New Horizons Probe
SPACE.com — 6:27 pm ET (2227 GMT)

Black Hole 'Wakes Up' After 26-Year Slumber
SPACE.com — 6:27 pm ET (2227 GMT)

Pluto Probe's Hazard Search Turns Up No New Moons
SPACE.com — 6:26 pm ET (2226 GMT)

Domo Arigato, Mr. Pluto: Rock Band Styx Visits New Horizons Team
SPACE.com — 6:25 pm ET (2225 GMT)

Space exploration through the eyes of women
SEN — 6:24 pm ET (2224 GMT)

New Horizons detects methane as it stays on course for Pluto
SEN — 6:23 pm ET (2223 GMT)

Mars glider will scout for manned landing sites
SEN — 6:23 pm ET (2223 GMT)

Soyuz rocket to carry critical resupply cargo to Space Station
Orlando Sentinel — 6:20 pm ET (2220 GMT)