121–140 of 803 results
OGO 1

Space Missions

Half-ton OGO 1 Spacecraft Set to Reenter

NASA's Orbiting Geophysical Observatory 1, a bus-sized relic of the early Space Age, is set to reenter in the coming week.

radar map of Titan's north pole

Astrobiology

Winds and Tides Drive Sea Waves on Titan

Sunlight glittering off rough patches of sea on Saturn’s largest moon indicates ever-changing waves.

Earth vs Hayabusa 2

Space Missions

Potential New Targets for Japan's Hayabusa 2 Mission

The Hayabusa 2 team has laid out a proposal for an extended mission to one of two asteroids after the spacecraft's sample return this December.

Rover tracks on Mars

Solar System

Three Missions Head for Mars

The summer of 2020 will see three spacecraft launch toward the Red Planet, each one with distinct objectives.

Space Missions

China Launches Tianwen 1 Mars Mission

China launches its first Marsbound mission, Tianwen 1, which carries an ambitious orbiter, lander, and rover package.

Space Missions

United Arab Emirates Launches Mars Hope Orbiter

United Arab Emirates joins the "planetary space club" with an ambitious mission to Mars.

James Webb Space Telescope system test

Space Missions

New Launch Date for James Webb Space Telescope

NASA has delayed its beleaguered James Webb Space Telescope to October 2021, in part due to the COVID-19 pandemic.

NICER mounted on the International Space Station

Space Missions

NASA to Use Pulsar Navigation for Deep Space Missions

NICER and SEXTANT demonstrate XNAV pulsar navigation system that may be used on Artemis.

New Horizon

Space Missions

New Horizons' "Alien View" from the Outer Solar System

NASA's New Horizons mission deep in the Kuiper Belt has measured the parallax to two nearby stars with the help of Earth-based observers.

InSight

Space Missions

Mars "Mole" Is in the Ground (Again)

After months of careful work, NASA's Insight mission has its mole burrowed in the Martian soil.

Astronomy in Space with David Dickinson

NASA, SpaceX Launch Historic Mission to International Space Station

Crewed spaceflight returns to U.S. soil, with the successful launch of Crew Dragon Demo 2.

An arm to the sun

Space Missions

Details of SpaceX's Starlink "VisorSat" Revealed

SpaceX has revealed new details on its plans to darken the Starlink satellites.

composite image of Ryugu's rubbly surface

Space Missions

Ryugu May Have Skirted Close to the Sun

Observations by the Japanese Hayabusa 2 spacecraft show subtle color differences, indicating something has reddened the asteroid’s surface.

NGC 2014 and NGC 2020

Professional Telescopes

Celebrating 30 Years: The Universe Through Hubble's Eye

Amateurs celebrate the venerable space telescope’s 30th anniversary with a look at some of its most mesmerizing images.

BepiColombo Flyby

Celestial News & Events

BepiColombo's Flyby Past Earth

BepiColombo, the joint ESA/JAXA Mercury-bound mission, will swing by the Earth on Friday.

Starlink constellation around Earth

Space Missions

Starlink and the Astronomers: An Update

As Starlink satellites continue to enter low-Earth orbit — there are 360 of them now — SpaceX is working to mitigate the serious problems they pose for astronomy.

particle storm

Astronomy in Space with David Dickinson

Sunrise CubeSats Will Study Giant Solar Storms

NASA has selected a unique new mission to study the Sun, targeting a 2023 launch date.

ExoMars Rover

Astronomy in Space with David Dickinson

European ExoMars Mission Delayed to 2022

The European and Roscosmos space agencies have postponed the launch of their Kazachok lander and Rosalind Franklin rover to 2022.

Yutu 2's view

Space Missions

What Lies Beneath the Moon's Farside?

The Chang’e 4 mission made the first-ever landing on the farside of the Moon last year — now it’s providing a look at what lies below its surface.

Insight lander on Mars

Space Missions

NASA’s Insight Detects Many Marsquakes on the Red Planet

Persistent tremors on Mars suggest the planet’s interior is cooling and hint that there might be a pocket of magma beneath the surface.