Satellites and space missions

ganymede by juno on june 7 2021 f

First close-up images of Ganymede in more than 20 years

The first two images from Juno spacecraft's June 7, 2021, flyby of Jupiter’s giant moon Ganymede have been received on Earth. This was the closest any spacecraft has come to this moon in a generation. The photos – one from the Jupiter orbiter’s...

June 09, 2021

venus by parker solar probe july 11 2020 f

Venus' ionosphere undergoes puzzling changes over the 11-year solar cycle

A new study published today in Geophysical Research Letters confirms that Venus' upper atmosphere undergoes puzzling changes over the Sun's 11-year activity cycle. The scientists studied data provided by Parker Solar Probe's first direct measurement of...

May 03, 2021

insight on mars april 2021 3

InSight reveals surprising seismicity on Mars in its first continuous year of data

The SEIS seismometer package from the Mars InSight lander has revealed some surprises among more than 500 quakes detected so far on Mars in its first continuous year of data. The findings come from The Marsquake Service, part o the InSight ground team that monitors...

April 27, 2021

ingenuity mars helicopter first flight april 19 2021 f2

First flight of the Ingenuity Mars Helicopter

NASA's Ingenuity Mars Helicopter became the first aircraft in history to make a powered, controlled flight on another planet on April 19, 2019, NASA said in a press release. The Ingenuity team at the agency's Jet Propulsion Laboratory in Southern California...

April 19, 2021

nasa insight apr 1 202

NASA’s InSight lander detects two strong quakes on Mars

The InSight lander has registered two strong, clear quakes with magnitudes 3.3 and 3.1 in Cerberus Fossae on Mars-- the same location where two other powerful tremors with magnitudes 3.6 and 3.5 were detected earlier in the mission. The mission has recorded more...

April 11, 2021

star formation 2

Hubble makes unexpected discovery on the process of star formation

New observations from the Hubble Space Telescope have changed our understanding of star formation as what scientists previously believed may have been an off-switch for the process does not work that way after all. The telescope shows that the powerful astrophysical...

March 29, 2021

black holes ngc 6397 f

Hubble discovers concentration of small black holes at the heart of globular cluster NGC 6397

Astronomers on the hunt for an intermediate-mass black hole at the heart of the globular cluster NGC 6397, found something they weren’t expecting -- a concentration of smaller black holes lurking there instead of one massive black hole. Image credits: NASA,...

February 11, 2021

tianwen1 mission feb 2021

China's first Mars explorer Tianwen-1 reaches red planet a day after UAE's Hope spacecraft

Tianwen-1, China's first spacecraft designed to explore Mars, has successfully reached the red planet on Wednesday, February 10, 2021, one day after the United Arab Emirates' Hope spacecraft. In three months, China will attempt to drop a lander and rover to...

February 11, 2021

hayabusa 2

Hayabusa2 spacecraft carrying pieces of asteroid Ryugu returns to Earth on December 6

Japan Aerospace Exploration Agency's (JAXA) Hayabusa2 spacecraft is set to return to Earth on December 6, 2020, after a yearlong journey to collect soil samples of asteroid Ryugu. These valuable samples could provide scientists with more clues to the origins of...

November 27, 2020

bennu oct 21 2020

OSIRIS-REx touches down on asteroid Bennu in 'historic and incredible feat'

NASA's OSIRIS-REx (Origins, Spectral Interpretation, Resource Identification, Security, Regolith Explorer) spacecraft has successfully touched down on asteroid Bennu on October 20, 2020, in what was described by scientists as a "historic" and...

October 21, 2020

iss

Air still leaking from ISS after failed attempt to seal the crack

Pressure continues to decline at the International Space Station after a failed attempt to fix the air leak using adhesive tape. The leak is located the working compartment of Zvezda Service Module and was described by Roscosmos as 'more than standard.' The...

October 13, 2020

zvezda service module

Roscosmos reports air leak on International Space Station

A 'more than standard' air leak was found in the working compartment of the Zvezda Service Module on the International Space Station (ISS), Russian Roscosmos State Corporation for Space Activities reported on Tuesday, September 29, 2020. "After a...

September 29, 2020

martian nightglow aug 26 2020 4

Mysterious, spiral-shaped ultraviolet light pulses over Mars

New images from NASA's MAVEN spacecraft reveal wide areas of Mars' night sky pulsing in ultraviolet light. While researchers understand the light's source, its mysterious spiral shape left them puzzled. "There is a vast spiral of ultraviolet light...

August 26, 2020

magnetosphere aug 7 2020

ESA highlights Cluster mission's 20 years of observing Earth's magnetosphere

ESA's Cluster mission, launched in June 2000, was designed to study the Earth's magnetosphere, which protects the planet from impacts by cosmic particles but also interacts with them, generating spectacular phenomena like auroras. As the mission enters its...

August 07, 2020

elongated cloud mars july 30 2020 2

Extremely elongated cloud returns over Arsia Mons volcano, Mars

The Visual Monitoring Camera (VMC) attached to Mars Express captured a mysteriously long, thin cloud over the 20 km (12 miles) high Arsia Mons volcano on July 17 and 19, 2020. According to ESA, the cloud is a recurrent feature made up of water ice and is influenced...

July 31, 2020

ganymede july 24 2020 2

NASA's Juno takes never-before seen photos of Ganymede's north pole

NASA's Juno Jupiter probe has captured the first images of the north pole of Ganymede-- the largest moon in the solar system and the only moon with its own magnetic field. During a close flyby of Jupiter in December 2019, Juno mapped the north polar regions of...

July 26, 2020

comet interceptor concept july 23 2020 2

Comet Interceptor: ESA announces new space mission to intercept 'pristine' comets

The European Space Agency (ESA) announced its new mission -- Comet Interceptor -- is expected to launch in 2028. The mission aims to investigate a "pristine" comet or other interstellar object that is only just starting its journey into the inner Solar...

July 26, 2020