Space

Elon Musk Only Wanted a Greenhouse on Mars but Ended Up Building Rockets Instead

Elon Musk, CEO of Space Exploration Technologies Corp, speaks during a news conference at the National Press Club April 5, 2011 in Washington, DC. (Brendan Smialowski/Getty Images)
Elon Musk, CEO of Space Exploration Technologies Corp, speaks during a news conference at the National Press Club April 5, 2011 in Washington, DC. (Brendan Smialowski/Getty Images)

In 2001, before Elon Musk had founded Tesla and SpaceX, he was one of the largest stakeholders in PayPal. The company hadn’t gone public yet,...




  • Artist’s view of a watery asteroid heading to a white dwarf star. (ESA/Hubble, CC BY)

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    Astronomers have discovered a white dwarf star with a polluted atmosphere that may shed light on where the water on Earth comes from and how... Read more

  • Planet earth armageddon. (sdecoret/iStock)

    Asteroids Probably Deliver Water to Other Planets

    Water delivery via asteroids or comets is likely taking place in many other planetary systems, just as it happened on Earth. Researchers say they’ve found... Read more

  • The Dragon spacecraft deploys its parachute above the Atlantic Ocean on May 6, 2015. (SpaceX Stream)

    Watch SpaceX Test the Dragon Spacecraft’s Emergency Escape Plan (Video)

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  • The rover that could, and still is, running scientific marathons on Mars.  (NASA)

    Opportunity of a Lifetime: NASA’s 4,000 Days Roving Mars

    NASA’s exploration rover Opportunity landed on Mars more than 11 years ago, in January 2004, with what then seemed like ambitious goals: to survive 90... Read more

  • (Shutterstock*)

    The Search Continues for Extraterrestrial Life, but Should It? (Part 2)

    There are several reasons why it might be a good idea to steer clear of extraterrestrials, despite the continuing search by scientists. These reasons could... Read more

  • (Gavin Heffernan, Harun Mehmedinović)

    Our Ancestors Saw This Every Night—Now We’re Shocked at the Rare Sight

    Light pollution is an environmental hazard not often discussed alongside the other hazards produced by our modern lifestyle. Yet it is depriving us of an... Read more

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    Explainer: The Mysterious Dark Energy That Speeds the Universe’s Rate of Expansion

    The nature of dark energy is one of the most important unsolved problems in all of science. But what, exactly, is dark energy, and why... Read more

  • A Falcon 9 SpaceX rocket lifts off from launch complex 40 at the Cape Canaveral Air Force Station in Cape Canaveral, Fla. In Texas. (AP Photo/John Raoux)

    SpaceX Mile-High Escape Test Will Feature ‘Buster’ the Dummy

    CAPE CANAVERAL, Fla.—SpaceX is just days away from shooting up a crew capsule to test a launch escape system designed to save astronauts’ lives. Buster,... Read more

  • This image sparked scientific debate when it was released last year, with researchers arguing over whether newly forming planets were responsible for gaps in the dust and gas swirling around the young star. Now astrophysicists say they have proof. (ALMA [ESO/NAOJ/NRAO])

    Deep Space Photo Shows Planets Forming

    Astrophysicists have confirmed that a recent and famous image from deep space marks the first time we’ve seen a forming planetary system. The team says... Read more

  • It’s crowded up there - the many objects tracked in low Earth orbit. ESA

    Space Debris: What Can We Do With Unwanted Satellites?

    There are thousands of satellites in Earth’s orbit, of varying age and usefulness. At some point they reach the end of their lives, at which... Read more

  • This artist's rendering provided by the Johns Hopkins University Applied Physics Laboratory shows the sunshade on the MErcury Surface, Space ENvironment, GEochemistry, and Ranging (Messenger) around the planet Mercury. The sunshade shields the spacecraft's instruments from heat and solar radiation. (Johns Hopkins University Applied Physics Laboratory via AP)

    Doomsday at Mercury: NASA Craft Close to Falling Into Planet

    CAPE CANAVERAL, Fla. — The only spacecraft ever to orbit Mercury, NASA’s Messenger, is ending its four-year tour at the solar system’s innermost planet with... Read more

  • In this Feb. 5, 2014 photo provided by NASA, an ISS Progress resupply vehicle approaches the International Space Station. On Wednesday, April 29, 2015. (NASA via AP)

    US Air Force Tracks Spinning Space Capsule as Orbit Drops

    CAPE CANAVERAL, Fla.—The U.S. Air Force is keeping close tabs on Russia’s tumbling, out-of-control space capsule as it comes closer to re-entering Earth’s atmosphere. NASA... Read more

  • In this Feb. 5, 2014 photo provided by NASA, an ISS Progress resupply vehicle approaches the International Space Station. On Wednesday, April 29, 2015, NASA and the Russian Space Agency declared a total loss on an unmanned Progress capsule, carrying 3 tons of goods to the station. The spacecraft began tumbling when it reached orbit Tuesday, following launch from Kazakhstan, and flight controllers were unable to bring it under control. (NASA via AP)

    Russia Loses Control of Space Station Supply Capsule

    CAPE CANAVERAL, Fla.—A Russian supply capsule that went into an uncontrollable spin after launch was declared a total loss Wednesday, but astronauts at the International... Read more

  • In this Feb. 5, 2014 photo provided by NASA, an ISS Progress resupply vehicle approaches the International Space Station. On Wednesday, April 29, 2015, NASA and the Russian Space Agency declared a total loss on an unmanned Progress capsule, carrying 3 tons of goods to the station. The spacecraft began tumbling when it reached orbit Tuesday, following launch from Kazakhstan, and flight controllers were unable to bring it under control. (NASA via AP)

    Russian Space Station Supply Ship Crashes to Earth After Failed Mission (Video)

    An unmanned Russian cargo spacecraft is hurtling back to Earth after an aborted attempt to resupply the International Space Station (ISS). Progress 59 started spinning... Read more

  • NASA shows previously unseen terrain on Mercury as the Messenger spacecraft approached the planet during its second flyby. In the foreground is a region of rough, heavily cratered terrain with a large, ancient two-ring impact basin at the bottom center of the image. In the distance is a region of younger, tectonically modified smooth plains that have been pockmarked by small craters. (NASA, Johns Hopkins University Applied Physics Laboratory, Carnegie Institution of Washington via AP)

    NASA Spacecraft to Impact Planet Mercury on Thursday

    CAPE CANAVERAL, Fla.—NASA’s Mercury-orbiting spacecraft, Messenger, is going out with a bang this week, adding a hefty crater to the little planet closest to the... Read more

  • Rice University students, in collaboration with NASA, have designed prototypes of a simple and flexible set of furniture for future space habitats. Standing from left: Laura Blumenschein, Alex Schmidt, Archit Chaba and Rey Amendola. Seated, Daniel Peera. (Jeff Fitlow/Rice University) -

    NASA Asked Students to Make Space Furniture

    At NASA’s request, five mechanical engineering students designed and assembled a prototype table and chair for astronauts in space or for places like the moon... Read more


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