321–340 of 356 results
OSIRIS-REx launch

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Osiris-REX is Bound for Asteroid Bennu

NASA's Osiris-REX spacecraft launched successfully from Cape Canaveral on September 8th and is headed to asteroid Bennu for a dramatic sample return mission.

Jupiter aurora

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Juno Makes First Science Pass at Jupiter

On August 27th, NASA's Juno made its closest pass to the giant planet — here's what we learned.

STEREO A and B

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The Return of Stereo B?

Feared lost for almost two years, NASA's Stereo B solar observatory is now back in (tentative) contact with mission control.

TNO Niku

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Retrograde Rock "Niku" Defies Orbital Trend

The discovery of trans-Neptunian object 2011 KT19 in a strange orbit deepens a key mystery in the outer solar system.

Hitomi in space

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Possible Replacement for Hitomi

JAXA and NASA are looking at the possibility of replacing the dead Hitomi X-ray observatory, with a potential launch around 2020.

Mars 2020 rover

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Mars 2020 Rover Construction Moves Ahead

The Mars 2020 rover reached a third crucial milestone this past week on the path to the launch pad.

Juno engine burn animation

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NASA's Juno Probe Reaches Jupiter

After a 5-year-long journey, NASA's latest emissary to the largest planet in the solar system has arrived at its destination.

The orbit of 2016 HO3

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Newfound Object 2016 HO3 Shares Earth's Orbit

A recently discovered asteroid plays leapfrog with Earth as they both orbit around the Sun.

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FRIPON: A New All-Sky Meteor Network

An innovative new meteor detection network will engage researchers and the public in a search for space rocks.

LISA Pathfinder

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LISA Pathfinder Surpasses Expectations

First science results from ESA's LISA Pathfinder mission exceed expectations, with five times the sensitivity. This result paves the way for a future full-scale gravitational wave observatory in space.

International Space Station

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Watch the International Space Station Marathon

The orbiting science laboratory begins a series of marathon passes this week that favor the northern hemisphere.

ExoMars 2020

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ExoMars Rover Launch Delayed Until 2020

The European Space Agency is opting to send its first rover to the Red Planet two years later than originally planned.

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Russian Space Observatory Launches

Russia's Mikhailo Lomonosov observatory takes to the skies on the hunt for gamma-ray bursts, cosmic rays, and near-Earth asteroids.

Hitomi in space

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Recovery Attempts End for Hitomi X-ray Satellite

The Japanese space agency JAXA has released a timeline covering the Hitomi space observatory's failure last month. Salvage efforts continue but recovery appears unlikely.

A U.S. Navy officer uses a sextant at sea.

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Navy Resumes Celestial Navigation Course

Modern security threats have brought back an old method — celestial navigation — to help U.S. Navy sailors navigate the high seas.

Astro-H/Hitomi

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Malfunction Cripples Hitomi X-ray Observatory

Ground controllers are scrambling to recover the Hitomi satellite from a mysterious 'debris anomaly' over the past weekend.

ExoMars at the Red Planet

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ExoMars Trace Gas Orbiter Heads to Space

The launch of ESA's ExoMars Trace Gas Orbiter and Schiaparelli lander heralds a new phase of Mars exploration.

The alignment of CANYVAL-X

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CANYVAL-X: Two CubeSats, One Telescope

An innovative CubeSat mission, slated to take to space this year, will demonstrate the feasibility of free-flying satellites.

WFIRST in space.

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WFIRST: Next Decade's Space Telescope

NASA is commencing work on the Wide Field Infrared Survey Telescope (WFIRST), the successor to the Hubble and the James Webb Space Telescopes.

Astro-H Launch

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New X-ray Observatory Takes to the Skies

Japan’s newest X-ray satellite, Hitomi (formerly Astro-H), promises to reveal the hot and hidden universe.