Why Chemical Rockets and Interstellar Travel Don't Mix
A toothpick proves that nobody's getting to the stars very quickly using conventional rocketry
"spacecraft"
James Webb Space Telescope Surrounded by Rising Floodwaters
Isolated in a giant thermal vacuum chamber, NASA’s $8.6 billion next-generation observatory is riding out the worst of Hurricane Harvey
Reaching for the Stars, Breakthrough Sends Smallest-Ever Satellites into Orbit
Despite technical glitches and regulatory hurdles, nanosatellite swarms could someday be the cornerstone for revolutionary interplanetary or even interstellar space-science missions
Sweating the Small Stuff: CubeSats Swarm Earth Orbit
A boom in nanosatellites could revolutionize space science and industry, but also dramatically increase the hazards of space junk
الحرب في الفضاء قد تكون أقرب من أي وقت مضى
تعمل الصين وروسيا والولايات المتحدة على تطوير واختبار قدرات جديدة مثيرة للجدل لشن حرب في الفضاء، بالرغم من إنكارهم لذلك
![NASA's 50 Years of Mars Exploration [Video]](https://static.scientificamerican.com/blogs/cache/file/25E79892-D832-4B5B-B723D390B47D661F_agenda.jpg?w=275&h=154&fit=crop)
NASA's 50 Years of Mars Exploration [Video]
Humans have been visiting and exploring Mars for more than half a century, and NASA has released a video celebrating the agency's remarkable contributions
صور جديدة تكشف مصير مسبار المريخ المفقود
مسبار وكالة الفضاء الأوروبية "سكياباريللي" تحطم وربما انفجر على سطح المريخ.
Nuevas imágenes revelan el destino del módulo de aterrizaje perdido en Marte
Schiaparelli, la nave de la Agencia Espacial Europea, se estrelló y posiblemente explotó.
New Images Reveal Fate of Lost Mars Lander
European Space Agency’s Schiaparelli spacecraft crashed and possibly exploded
Nave espacial europea podría haberse perdido en Marte
El módulo de aterrizaje Schiaparelli aún no ha llamado a casa y eso tiene a los científicos temiendo lo peor.
European Spacecraft May Be Lost on Mars
The Schiaparelli lander’s failure to phone home has scientists fearing the worst
European Spacecraft Attempts Mars Landing
With the Schiaparelli lander, Europe hopes to join the U.S. and Russia in successfully touching down on the Red Planet
Project Blue Sets Sights on "Pale Blue Dots" around Alpha Centauri
A privately funded small space telescope could soon seek Earth-like planets around the sun’s nearest neighboring stars
How to See Proxima b
Astronomers are racing to get the first historic image of another possibly Earth-like planet. Here’s how they’ll do it
Astrónomos avistan penachos ensombrecidos alrededor de la luna Europa
Si se confirman, las erupciones de este helado satélite de Júpiter podrían ofrecer nuevas vías para explorar el océano que yace bajo su superficie.
Astronomers Spy Shadowy Plumes around Europa
If confirmed, the icy Jovian moon’s eruptions could offer new pathways for exploring its subsurface ocean
![Miniature Space Telescope Could Boost the Hunt for "Earth Proxima" [Video]](https://static.scientificamerican.com/sciam/cache/file/E3EC5DD4-3FC5-44B5-94503492791436DB_agenda.jpg?w=275&h=154&fit=crop)
Miniature Space Telescope Could Boost the Hunt for "Earth Proxima" [Video]
A new film presents an innovative plan to image potentially habitable planets around our sun's closest stellar neighbor—Alpha Centauri
How Juno Will Peer Deep below Jupiter's Roiling Clouds
A microwave radiometer onboard the Juno spacecraft orbiting Jupiter could soon reveal where and how the giant planet formed
Juno Arrives at Jupiter
After a do-or-die engine burn the second spacecraft ever to orbit Jupiter is preparing to revolutionize our view of the giant planet
Juno Faces Moment of Truth at Jupiter
Poised to enter Jovian orbit on July 4, the NASA spacecraft is set to probe the gas giant’s deepest mysteries