261–280 of 320 results
Jupiter white spot

Astronomy & Observing News

Juno: Surprises in First Science Results

From its dynamic atmosphere to its hidden depths, the Juno spacecraft has Jupiter as never before — surprising NASA scientists with unexpected complexity.

2014 JO25

Astronomy & Observing News

Amazing New Views of Near-Earth Asteroid

Large asteroid 2014 JO25 cruised past Earth on April 19, and Goldstone and Arecibo radars were at the ready to capture what turned out to be yet another twin-lobed asteroid.

Cassini Grand Finale

Astronomy & Observing News

Cassini Traverses "Big Empty" on First Grand Finale Pass

The Grand Finale is underway, as NASA's Cassini spacecraft sails through a clear gap between Saturn and its rings.

Cassini Grand Finale

Astronomy Blogs

Cassini Survives First "Grand Finale" Dive

Cassini's Grand Finale has begun, as the spacecraft threaded the needle between Saturn and its rings, following several fantastic moon passes and a final glance back at Earth.

LISA Pathfinder

Astronomy & Observing News

LISA Pathfinder: From Gravitational Waves to Space Dust

LISA Pathfinder, the technology testbed mission for a future gravitational-wave detector, turns out to be a surprisingly good micrometeoroid hunter.

Rosetta Selfie

Astronomy & Observing News

Rosetta Sees Changing Face of Comet 67P

Data from the Rosetta mission has linked outbursts on Comet 67P/Churyumov-Gerasimenko with dramatic changes on the comet's surface.

Pan

Astronomy & Observing News

Welcome to Pan: Saturn's Ravioli-Shaped Moon

Cassini gave us a good look a Saturn's moon Pan last week... and what a strange world it is.

Fireball over ALMA

Astronomy in Space with David Dickinson

A New Take on the Audible Meteor Mystery

A recent study suggests a plausible mechanism to explain why observers sometimes hear superbright meteors at the same time that they see them.

dragon v2 in orbit

Astronomy & Observing News

SpaceX Announces 2018 Moonshot Mission

SpaceX's surprise announcement envisions humans traveling beyond low-Earth orbit and to the Moon at the end of 2018.

Jupiter's south pole

Astronomy & Observing News

Juno Will Stay in Current Orbit Around Jupiter

NASA has announced that its Juno spacecraft will remain in a wide-ranging orbit around Jupiter, extending the mission's lifetime.

NE Syrtis Major

Astronomy & Observing News

NASA Narrows Down Mars 2020 Rover Landing Sites

Three possible landing sites are now in the running for the U.S. space agency's next Mars rover.

Solar Nebula

Astronomy & Observing News

Meteorites Date Demise of Solar Nebula

A study of ancient meteorites has refined the date for the dissolution of the solar nebula, the cloud that shrouded our Sun in its earliest days.

Juno at Jupiter

Astronomy & Observing News

Juno Swoops Past Jupiter's South Pole

NASA's Juno spacecraft continues to give us amazing views of Jupiter, now from its fourth perijove pass.

Rooftop micrometeoroids

Astronomy & Observing News

Micrometeorites Found on City Rooftops

A recent study found micrometeorites in piles of dirt collected from urban European rooftops.

Daphnis

Astronomy & Observing News

Cassini Spies Daphnis Making Waves

NASA's Cassini returns stunning new views of Daphnis and friends from its ring-grazing orbits.

Akatsuki at Venus

Astronomy & Observing News

Akatsuki Spies Massive Wave on Venus

Japan's Venus orbiter has witnessed a huge atmospheric wave that spans the globe.

Lucy and Psyche

Astronomy & Observing News

NASA's Lucy & Psyche Asteroid Missions

Last week, NASA announced two new missions set to explore the earliest remnants of the solar system: asteroid 16 Psyche and Jupiter's Trojan asteroids.

Exoplanet-hunting TESS spacecraft

Astronomy in Space with David Dickinson

Looking Ahead: Space Exploration in 2017

An exciting year lies ahead for spaceflight involving astronomy and planetary science — by NASA and by other spacefaring nations.

Phobos, by ExoMars CASSIS instrument

Astronomy & Observing News

ExoMars Trace Gas Orbiter Gets to Work

Welcome to Mars: the European Space Agency's ExoMars Trace Gas Orbiter sets up shop around the Red Planet.

H-IIB rocket

Astronomy & Observing News

Watch Resupply Mission Chase Down the International Space Station

Find out how to see a cargo mission headed to the International Space Station this weekend.

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