181–200 of 306 results
jezero crater

Space Missions

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

Space Missions

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.


Space Missions

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

Space Missions

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

Space Missions

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

Space Missions

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

Solar System

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

Astronomy in Space with David Dickinson

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

Solar System

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.

Dawn images Ceres from new, low orbit

Astronomy in Space with David Dickinson

NASA's Dawn Probe Reaches Its Low, Final Orbit

NASA's Dawn spacecraft has entered a new and final orbit that will take it less than 30 miles above the surface of asteroid Ceres.


Solar System

Apollo Astronauts Warmed the Moon

A new study sheds light on an old mystery surrounding anomalous readings from the Apollo landing sites.

Drill Duluth

Solar System

Curiosity Rover is Drilling Again

An innovative technique has allowed NASA's Curiosity Rover to resume drilling Martian rocks. But the partially successful test shows that more work remains to be done.

Moon farside

Space Missions

Radio Experiment Launches With China's Moon Orbiter

A Dutch radio astronomy experiment hitched a ride today with China's relay satellite for the upcoming Chang'e 4 mission.


Astronomy in Space with David Dickinson

Antares Launch to Light Up Sunday Morning Sky

The Cygnus OA-9 mission launching from Wallops Island early Sunday morning could put on quite a show along the East Coast.

Astronomy in Space with David Dickinson

Helicopter to Hitch a Ride with Mars 2020 Rover

A small helicopter will be the first mission to fly through the skies of Mars.

Mars Cube One

Astronomy in Space with David Dickinson

Mars-bound CubeSats Launch With NASA's InSight

The Mars Cube One mission — the first to send CubeSats into interplanetary space — will test revolutionary relay technologies as it accompanies Mars Insight to the Red Planet.