41–60 of 670 results
Mars Rover

Astronomy in Space with David Dickinson

Quaking Aspen Leaves Inspire Potential Power Source For Mars Rovers

A unique concept could serve as an emergency power backup for future missions.

Ryugu closeup

Spacecraft and Space Missions

Hayabusa 2 Finds Asteroid Ryugu Is Dark & Dry

Hayabusa 2’s asteroid Ryugu has some unexpected characteristics. In particular, its dry surface could spell trouble for current theories about how Earth obtained its water.

Ultima Thule

Spacecraft and Space Missions

New Results Probe the Origin of "Ultima Thule"

As observations trickle in from NASA's New Horizons spacecraft, mission scientists have new insights on how their two-lobed target formed in the Kuiper Belt.

Insight Mars

Astronomy in Space with David Dickinson

Mars Insight's "Mole" Hits a Snag

Drilling operations for NASA's Mars Insight Lander have been put on hold as the "mole" has hit unexpected obstacles.


Spacecraft and Space Missions

Israeli Lunar Lander Heads to the Moon

Israel's Beresheet lunar lander was carried to space today on top of a Falcon 9 rocket, headed for a soft landing on the Moon in April.


Spacecraft and Space Missions

NASA to Explore Early Universe, Origins of Life with SPHEREX

The SPHEREX mission will create multiple surveys of the near-infrared sky that will reveal the origins of life and perhaps the universe itself.

Oppy's End

Spacecraft and Space Missions

Opportunity Reaches the End of Its Long Road

Despite months of listening, NASA has failed to pick up any signals from the stalwart Opportunity rover.

New Horizons RTG

Astronomy in Space with David Dickinson

Speeding Up Plutonium Production for Space Exploration

Automation of a key process may yield an eightfold boost to U.S. plutonium production, a promising development for deep-space exploration.

Cassini Grand Finale

Spacecraft and Space Missions

Saturn Hasn’t Always Had Rings

Analyses of data from Cassini’s final days suggest the rings are a late addition and use them to solve a Saturnian mystery.

Space Satellites

How to “See” Interstellar Space Probes

So far, humans have sent five probes into space that are or will go far beyond the solar system: the Pioneers, the Voyagers, and New Horizons. As an exercise in fun, here's how you can find those probes' locations on the sky.

Yutu 2

Solar System

China's Chang'e 4 Lands on the Lunar Farside

China's Chang'e 4 performed a historic first on January 3rd with a soft landing on the farside of the Moon.

Stereo view of 2014 MU69

Spacecraft and Space Missions

New Views of Two-Lobed "Ultima Thule"

Images and other observations taken by the New Horizons spacecraft early on New Year's Day reveal a remarkable (but not unexpected) two-lobed object.

New Hoirizons and 2014 MU69 artwork

Solar System

New Horizons Reaches "Ultima Thule"

NASA's outward-bound explorer rings in the new year with the most distant flyby in space-exploration history.


Astronomy in Space with David Dickinson

Space Missions to Watch in 2019

Multiple trips to the Moon, physics satellites, and Europe's long-awaited exoplanet explorer are among the space missions on tap for 2019.

Solar System

Future Planetary Probes Can Learn from Cassini

An unusual water composition at Saturn’s moon Phoebe means that future spacecraft will have to be on the lookout for different water ratios than we are used to on Earth.

Solar System

Amateurs Help Decide Juno's Path

Ahead of a decision on whether to fly the NASA spacecraft over Jupiter's Great Red Spot, hobbyists back on Earth provided crucial intel about the effects of an intruding disturbance.

Image of Bennu

Spacecraft and Space Missions

Osiris-REX Finds Hints of Past Water on Asteroid Bennu

The NASA spacecraft detected signs of hydrated minerals on Bennu's surface, suggesting that the asteroid's larger parent body once hosted liquid water.

Spacecraft and Space Missions

Voyager 2 Enters Interstellar Space

More than 18 billion kilometers from home, Voyager 2 has become the second probe to break through the heliopause, a tenuous boundary between the solar system and the rest of the Galaxy.

Earth and Moon

Spacecraft and Space Missions

Chang'e 4 Probe Heads to the Lunar Farside

China's latest lunar mission will drop a lander and rover in one of the oldest terrains on the Moon, becoming the first craft to intentionally land on and explore the farside.

Diamond in the sky

Space Satellites

SpaceX Launches Orbiting "Sculpture in the Sky" / Comet Update

An art sculpture achieves orbit, 46P/Wirtanen becomes a naked-eye comet, and C/2018 V1 makes one last good pass.