141–160 of 273 results
Oppy's End

Astronomy in Space with David Dickinson

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.

Yutu 2

Spacecraft and Space Missions

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.


Spacecraft and Space Missions

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.

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.


Spacecraft and Space Missions

Osiris-REX Arrives at Asteroid Bennu

NASA's ambitious Osiris-REX mission will now spend the next couple years surveying Bennu before attempting to return a sample to Earth.

Mars Insight

Spacecraft and Space Missions

Insight Lander Touches Down on Mars

After a safe landing, NASA's first dedicated geophysical mission to Mars will spend the next two years studying the deep interior of the Red Planet. 

jezero crater

Astronomy in Space with David Dickinson

Jezero Crater Selected as Landing Site for Mars 2020 Rover

NASA's next Mars rover will explore a geologically diverse crater that may once have been flooded with water, a crucial ingredient for the mission's search for evidence of past life.

Dawn at Ceres

Astronomy in Space with David Dickinson

Dusk for Dawn: NASA's Groundbreaking Mission Comes to an End

After 11 Years, NASA's Dawn mission to explore Vesta and Ceres is about to come to an end.

Kepler Art

Astronomy in Space with David Dickinson

The Kepler Space Telescope Comes to an End

NASA's planet-hunting telescope has run out of fuel after a nine-year mission that found more than 2,600 planets orbiting other stars along with thousands more worlds yet to be confirmed.


Astronomy in Space with David Dickinson

MASCOT Deploys from Hayabusa-2, Lands on Ryugu

The boxy robotic lander MASCOT delivered photos and other data from asteroid Ryugu during a brief 17-hour stay on the asteroid's surface.

Hayabusa 2 shadow

Solar System

Touchdown: Hayabusa 2 Deploys Rovers to Explore Ryugu

The Japanese Hayabusa 2 spacecraft dispatched the first of a set of smaller missions that will explore asteroid 162173 Ryugu.

Ahuna Mons

Solar System

Dawn Probes Role of Cryovolcanism on Ceres

A recent analysis of data from NASA's Dawn spacecraft reveals the role of cryovolcanism past — and likely present — on the giant asteroid Ceres.

Saturn's hexagon

Solar System

NASA's Cassini Sees Saturn's Towering Polar Hexagon

Cassini's legacy sheds more light on the strange mystery of Saturn's northern polar hexagon.

Asteroid Bennu

Solar System

Osiris-REX's First Views of Asteroid Bennu

NASA's Osiris-REX asteroid sample return mission spies target Bennu for the first time. Now the spacecraft is setting up for its close approach in December.

Parker Solar Probe launch

Spacecraft and Space Missions

NASA's Parker Solar Probe Launches to "Touch the Sun"

The unique Parker Solar Probe launched on Sunday, August 12th, set to fly faster and come closer to the Sun than any spacecraft before it.

halosat 1

Astronomy in Space with David Dickinson

HaloSat: A Small Satellite for a Big Question

HaloSat, a mini-satellite recently deployed from the International Space Station, is on the hunt for the universe's missing matter.

MSL rover


Planet-Protection Policies: Due For Revision?

A new National Academies study assesses NASA's efforts to protect neighboring worlds from contamination and recommends ways the space agency could do a better job.

ROV Hercules

Solar System

Nautilus Expedition Recovers Possible Seafloor Meteorites

The expedition off the coast of Washington state performs a first, recovering meteorite fragments from a documented fall.

Ryugu closeup

Astronomy in Space with David Dickinson

Hayabusa 2: Welcome to Ryugu

We got a peek at a new worldlet in the inner solar system this week, as the Japanese Aerospace Agency's (JAXA) Hayabusa-2 gave us our first good looks at the tiny asteroid 162173 Ryugu.