181–200 of 270 results

Professional Telescopes

Some Damage to Arecibo Observatory; Stormy Times Ahead

Arecibo and its team rode out the largest storm in its history, but it's unclear what the moderate damage will mean for the radio observatory's future.

OSIRIS-REX's view of Earth

Astronomy in Space with David Dickinson

Osiris-REX Images Earth During Flyby

The asteroid-bound Osiris-REX mission took time during last Friday's gravity assist maneuver to look back at its homeworld.


Spacecraft and Space Missions

Osiris-REX to Fly by Earth on Friday

NASA's ambitious Osiris-REX asteroid sample return mission swings by Earth this Friday for a gravity assist en route to asteroid 101955 Bennu.

Venus clockwork rover

Spacecraft and Space Missions

"Clockwork Rover" for Venus Exploration

Engineers have come up with an innovative "clockwork rover" concept designed to survive the hostile environment of Venus.

Eclipse from the air

Spacecraft and Space Missions

Amazing Views of the Solar Eclipse From Earth . . . and Space

Satellites, aircraft, and the International Space Station provided great views of yesterday's solar eclipse, near and far.

Umbra from the ISS

Astronomy in Space with David Dickinson

Chasing the Total Solar Eclipse From Orbit

While millions will watch the August 21 total solar eclipse from the ground, International Space Station crew will have an amazing view high from overhead.

Saturn Cassini

Astronomy in Space with David Dickinson

Saturn Surprises Right Up Until Cassini's End

Saturn keeps its secrets as NASA's Cassini spacecraft heads towards its September grand finale.


Astronomy in Space with David Dickinson

Breakthrough Starshot Takes to Space

Six Sprites, "the world's smallest spacecraft" have entered low-Earth orbit, a small milestone for Breakthrough Starshot's plan for interstellar voyage.

Mars Trojan

Solar System

Source of Mars Trojans Might Be Mars Itself

A new study proposes a possible source for the mysterious Mars Trojan asteroids: the Red Planet itself.

LSP in space

Astronomy in Space with David Dickinson

Goodbye, LISA Pathfinder

The European Space Agency switched off its groundbreaking LISA Pathfinder mission this week.


Spacecraft and Space Missions

New Satellite "Mayak" Might Light Up the Sky

Russia's first crowd-funded satellite, named Mayak (Russian for "beacon of light"), promises to be the “brightest object in the night sky next to the Moon.”

Jupiter's Great Red Spot in enhanced color

Solar System

By Jove! Juno Images Jupiter's Great Red Spot

NASA's Juno Spacecraft delivers stunning closeup views of Jupiter's famous swirling Great Red Spot storm.

Spacecraft and Space Missions

"Gecko Gripper" Tech to Clean Up Space Junk

Researchers are figuring out how to use a nature-inspired "gecko gripper" technology to solve the mounting problem of space debris.

Voyager 2 approaches Neptune in 1989

Astronomy in Space with David Dickinson

NASA Eyes "Ice Giant" Missions in the 2030s

A recent NASA study outlines possible dedicated missions to the "ice giant" planets Uranus and Neptune that might leave Earth as early as 2030.

NASA's boulder-retrieval mission

Astronomy in Space with David Dickinson

NASA Closes Out Its Asteroid Redirect Mission

Following the release of the 2018 budget, the space agency has ordered an “orderly closeout” for the Asteroid Redirect program.


Astronomy in Space with David Dickinson

China Launches Its First X-ray Observatory

China's Hard X-ray Modulation Telescope (HXMT) headed to orbit this past weekend.

Rosetta's Comet 67P

Astronomy in Space with David Dickinson

Rosetta Finds Clues to Earth's “Xenon Paradox”

Xenon measured by the European Space Agency's Rosetta spacecraft has shed light on a long-standing mystery about the role comets played in Earth's formation.

Hottest Jupiter

Astronomy in Space with David Dickinson

KELT-9b: Hottest Hot Jupiter Exoplanet Yet

Astronomers announce the discovery of bloated gas giant KELT-9b, the hottest "hot Jupiter" exoplanet known orbiting a short-lived massive star.

ESA ExoMars 2016

Spacecraft and Space Missions

New Clues on Fate of Schiaparelli Mars Lander

The European Space Agency has released its investigation into the crash of the Schiaparelli Mars lander in October 2016.

Jupiter white spot

Astronomy in Space with David Dickinson

Juno: Surprises in First Science Results

From its dynamic atmosphere to its hidden depths, the Juno spacecraft has Jupiter as never before — surprising NASA scientists with unexpected complexity.