Solar System – Page 4 – Astronomy Now

1 November 2025

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Titan drone, comet sampler picked as finalists for NASA mission

20 December 2017 Stephen Clark

NASA has narrowed its choices for a new billion-dollar robotic space mission: A nuclear-powered quadcopter to explore the hazy landscape of Saturn’s largest moon Titan, or a probe to scoop up a piece of a comet and return it to Earth.

Jupiter’s moons, black holes, exoplanets among JWST’s first scientific targets

4 December 2017 Stephen Clark

The James Webb Space Telescope should start returning its first scientific results by the end of 2019, and scientists recently announced a slate of observations selected to whet the appetites of astronomers who will use the multibillion-dollar facility well into the 2020s.

Cassini’s farewell to Saturn

26 November 2017 Stephen Clark

Two days before its final plunge into Saturn, the Cassini spacecraft turned its camera toward the ringed world to take a series of images for a colour mosaic, capturing a last evocative close-up until a new mission reaches the planet.

Scientists suggest streaks on Martian hillsides are dry flows

26 November 2017 Stephen Clark

Intermittent flows that appear on steep slopes on Mars are likely formed by flowing sand, and not water as some scientists previously suspected, according to a new study.

NASA confirms contribution to Japanese-led Mars mission

20 November 2017 Stephen Clark

NASA announced Thursday it will fund development of a scientific instrument that will fly on Japan’s Martian Moons Exploration mission, a robotic probe set for launch in 2024 to bring back the first samples from Mars’ largest moon Phobos.

The dynamic duo: Jupiter’s independently pulsating X-ray aurorae

10 November 2017 Astronomy Now

Jupiter’s intense northern and southern lights, or aurorae, behave independently of each other according to a new study using NASA’s Chandra X-ray and ESA’s XMM-Newton observatories.

Help nickname New Horizons’ next flyby target

9 November 2017 Astronomy Now

NASA’s New Horizons mission to Pluto and the Kuiper Belt is looking for your ideas on what to informally name its next flyby destination, a billion miles past Pluto.

Martian ridge brings out rover’s colour talents

5 November 2017 Astronomy Now

Colour-discerning capabilities that NASA’s Curiosity rover has been using on Mars since 2012 are proving particularly helpful on a mountainside ridge the rover is now climbing.

Engineers hopeful Mars rover’s drill can return to service

25 October 2017 Stephen Clark

Engineers have started testing a new way to use the Curiosity rover’s drill to bore into Martian rocks after a motor in the device stalled late last year, but ground teams are still months away from the first chance to resume drilling operations.

MAVEN mission finds Mars has a twisted tail

23 October 2017 Astronomy Now

Mars has an invisible magnetic “tail” that is twisted by interaction with the solar wind, according to new research using data from NASA’s MAVEN spacecraft.

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