1. Planets

    New solar system found to have 7 Earth-size planets

    A neighboring star system hosts seven Earth-like planets. Especially surprising: Three of those planets appear to reside in a zone that could support life as we know it.

  2. Space

    Cool Jobs: Probing Pluto

    The New Horizons mission captivated the world as it flew by Pluto. Here are some of the people who made that possible.

  3. Planets

    Scientists Say: Proxima b

    A new planet outside our solar system is only 4.2 light years away.

  4. Planets

    A trail of cosmic dust may lead to alien life

    Liquid water can be found even in the cold reaches of the outer solar system. Some hidden oceans may harbor warm oases cozy for living things.

  5. Space

    Smash hit? Comet mission comes to an end

    Rosetta’s 12-year mission to a comet has come to a bittersweet end. The orbiter turned off its cameras, settled down on its rocky home and entered a deep and lasting sleep.

  6. Planets

    Sun’s nearest stellar neighbor may have Earth-like planet

    A planet roughly the size of Earth orbits within the “Goldilocks” zone of the Proxima Centauri. Only 4.2 light-years away, this star is the one closest to our sun.

  7. Planets

    Jupiter’s Great Red Spot is really, really hot

    The Great Red Spot, a storm churning on Jupiter for at least 150 years, may be helping to keep the planet warm, a new study finds.

  8. Planets

    New clues in search for Planet Nine

    New details about Planet Nine, a hypothetical object on the edge of our solar system, might help scientists actually find it.

  9. Planets

    That’s no moon: Earth’s tiny tagalong

    A newly discovered asteroid appears to be orbiting Earth, like a new mini-moon. In fact, it’s really orbiting the sun.

  10. Space

    By Jove! Juno-cam sends back first postcard

    After a long and quiet trek through space, the Juno spacecraft showed it weathered the trip fine and is ready to get on with its business: probing what makes Jupiter tick.

  11. Space

    Success! The Juno spacecraft is now orbiting Jupiter

    After nearly five years, the probe has safely reached its target. Juno will spend 20 months in orbit around the planet so that scientists can probe the many mysteries of this gas giant.

  12. Planets

    Juno’s knocking on Jupiter’s door

    The Juno spacecraft will peer into Jupiter’s clouds and fly in close to its monstrous auroras.