181–200 of 299 results
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

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

Cosmology

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

Astrobiology

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

Astronomy in Space with David Dickinson

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.

Dawn images Ceres from new, low orbit

Space Missions

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.

Earthrise

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

Astronomy in Space with David Dickinson

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.

LADEE

Celestial News & Events

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.

Solar System

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

Solar System

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.

Charon

Astronomy in Space with David Dickinson

Pluto's Moon Charon Receives Formal Names

The International Astronomical Union has approved names for features on Pluto's largest moon, Charon.

ARIEL Mission

Astronomy in Space with David Dickinson

ARIEL: Next-Decade Exoplanet Mission Selected

The European Space Agency's ARIEL mission will seek to analyze the atmospheric composition and true nature of distant worlds.

Radar Tiangong

Astronomy in Space with David Dickinson

Tiangong 1's Remote Reentry

China's first space station reentered Earth's atmosphere over the South Pacific after almost seven years in space.

Andoya Launch

Astronomy in Space with David Dickinson

Rocket Barrage to Study Northern Lights

A series of 11 sounding rocket flights from two remote locations in the Arctic circle will help unlock the secrets of the processes behind the Northern Lights.

WFIRST

Science and Space Policy

NASA Budget Proposal Cancels WFIRST

The recent budget proposal for NASA dealt a blow to the astronomical community, putting several key missions — including WFIRST, a successor to Hubble — under the financial axe.

Explorer-1

People, Places, and Events

Explorer 1: NASA Marks 60 Years in Space

60 year ago today, a small satellite ushered in the U.S. space program in a big way.

kilopower

Space Missions

NASA Unveils New Power Source for Space Exploration

The Kilopower fission reactor will offer a more efficient and more powerful portable power source for solar system exploration.