661–680 of 1,246 results
EDM Lander

Solar System

ESA's Schiaparelli Lander: Missing in Action

Here's what we know so far about the fate European Space Agency's Schiaparelli mission.

ExoMars TGO reaches Mars

Solar System

ExoMars Orbiter Reaches Red Planet

After a 7-month journey from Earth and a 139-minute rocket burn, the ExoMars Trace Gas Orbiter has settled in around its new home.

Juno

Solar System

NASA's Juno Suffers Engine Anomaly, Briefly Enters Safe Mode

Engineers have decided to keep the Jupiter probe, Juno, in its current orbit until an issue with its engine can be addressed.

Mars in UV

Solar System

MAVEN’s Mars: in Ultraviolet

NASA’s youngest Mars orbiter has watched clouds grow and detected an ozone accumulation on the Red Planet.

Idunn Mons thermal comparison

Solar System

More Evidence for Volcanoes on Venus

Planetary scientists haven't yet witnessed an active volcano on Venus, but a new study pinpoints a likely set of still-warm lava flows.

Curiosity Selfie

Solar System

What Are Curiosity and Opportunity Up To?

As Schiaparelli prepares to land on Mars, how are the other robotic denizens of the Red Planet doing?

EDM Lander

Solar System

Schiaparelli Lander to Touch Down on Mars

The innovative joint European Space Agency/Roscosmos Schiaparelli lander begins its three day solo journey to the Martian surface this weekend.

crater appears on Moon

Solar System

Space Rocks Hit the Moon Often

Observations from NASA’s Lunar Reconnaissance Orbiter reveal that the Moon is being pockmarked by meteoroids at a higher rate that previously predicted.

Orbit of Kuiper Belt object 2014 UZ224

Solar System

New Object Vies for Kuiper Belt Record

Right now 2014 UZ244 lies nearly 14 billion kilometers away, ranking it third among the most distant objects known in the Kuiper Belt.

Dione in front of Saturn

Solar System

Does Dione Have a Subsurface Ocean?

A new analysis suggests that a subsurface ocean might lie deep beneath the crust of Saturn’s moon Dione.

Erupted plumes on Europa?

Solar System

Hints of Geysers Erupting from Europa

Newly released Hubble images show what appear to be towering jets of water coming from Jupiter's moon Europa.

Rosetta on Comet 67P's surface

Solar System

Rosetta's Grand Finale

The historic mission to explore a comet ends in dramatic fashion on September 30th.

daily minor planet, classic view

Solar System

Daily Alert for Asteroid Flybys

A new e-digest from the International Astronomical Union’s Minor Planet Center gives the public a head’s up on passing asteroids.

Comet 332P's slow-motion breakup

Solar System

Hubble Watches as Comet 332P Breaks Apart

Back in January, a team of observers had a hunch that Comet 332P/Ikeya-Murakami was rapidly falling apart — and they were right!

Gancedo meteorite after being unearthed in Argentina

Solar System

Huge Meteorite "Gancedo" Found in Argentina

A team in Argentina unearths a spectacular space rock, possibly the world's third largest single find.

Sandstone bedding in Murray Buttes on Mars

Solar System

Curiosity's View of Wind-Sculpted Sandstone

NASA's Curiosity rover took time out from its exploration of Mars to capture some dramatic layering in sandstone cliffs.

Jupiter aurora

Solar System

Juno Makes First Science Pass at Jupiter

On August 27th, NASA's Juno made its closest pass to the giant planet — here's what we learned.

STEREO A and B

Solar System

The Return of Stereo B?

Feared lost for almost two years, NASA's Stereo B solar observatory is now back in (tentative) contact with mission control.

TNO Niku

Solar System

Retrograde Rock "Niku" Defies Orbital Trend

The discovery of trans-Neptunian object 2011 KT19 in a strange orbit deepens a key mystery in the outer solar system.

Interior of Ceres

Solar System

Dawn at Ceres: The Inside Story

Careful tracking of NASA's Dawn spacecraft reveals that Ceres has a rocky core and a thick ice-and-salt crust. Maybe a briny ocean still lies buried inside.