3 October 2025
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Latest News
  • [ 24 September 2025 ] Nova outburst in Centaurus News
  • [ 12 September 2025 ] Astronomy Now relaunches digital platform News
  • [ 8 September 2025 ] Potentially habitable planet TRAPPIST-1e displays tentative evidence for an atmosphere News
  • [ 18 August 2025 ] Ten-Year Lease Extension Confirmed at Herstmonceux Observatory News
  • [ 10 August 2025 ] Venus and Jupiter’s bright morning conjunction News
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Mars Express

News

Comet dust ionises Mars’ atmosphere

10 November 2014 Keith Cooper

A comet that flew close to Mars showered the red planet with fine cometary dust, according to observations by a trio of spacecraft.

News

Mars spacecraft safe after fortuitous comet encounter

20 October 2014 Stephen Clark

A fleet of robotic spacecraft orbiting Mars got a front row seat to space history Sunday and lived to tell about it, giving scientists their first close-up look at a comet fresh from a cloud of primordial mini-worlds at the outer reaches of the solar system.

News

Mars probes will hide from comet dust

17 October 2014 Keith Cooper

This Sunday, a comet will come closer to Mars than any other comet has ever been seen to approach a planet without actually hitting it, sending our assorted spacecraft orbiting the red planet running for cover.

Video

NASA Science Briefing: Comet Siding Spring at Mars

13 October 2014 Astronomy Now

NASA holds a news conference to discuss the close encounter of Comet Siding Spring with Mars. On October 19, 2014, the comet will pass 139,500 kilometers (88,000 miles) from the red planet.

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News Headlines

  • Nova outburst in Centaurus
    24 September 2025
  • Astronomy Now relaunches digital platform
    12 September 2025
  • Potentially habitable planet TRAPPIST-1e displays tentative evidence for an atmosphere
    8 September 2025
  • Ten-Year Lease Extension Confirmed at Herstmonceux Observatory
    18 August 2025
  • Graphic showing the close conjunction of Jupiter and Venus with other stars and contellations marked on a dark sky, above a horizon with trees in silhouette.
    Venus and Jupiter’s bright morning conjunction
    10 August 2025
  • Home
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      • September last issue
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  • AstroFest 2026
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    • DSLR Calc
  • Reviews
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  • Spaceflight Now
  • Shop
  • Contact Us
    • Subscriptions
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    • Ask Astronomy Now
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