2 February 2026
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Latest News
  • [ 26 January 2026 ] Dr Allan Chapman (1946-2026) News
  • [ 16 January 2026 ] Potentially bright ‘sungrazing’ comet discovered News
  • [ 17 December 2025 ] Thank you from the editor News
  • [ 25 October 2025 ] Hubble revisits a cosmic yardstick News
  • [ 21 October 2025 ] Europe’s planet hunting spacecraft complete and ready for final testing News
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Video: Pluto scientist’s biggest surprise so far

13 July 2015 Astronomy Now

Alan Stern, principal investigator for the New Horizon mission, reveals his biggest surprise so far as the probe closes in on Pluto. (Recorded 12 July 2015.)

  • Alan Stern
  • flyby
  • New Horizons
  • Pluto

Related Articles

News

IAU approves more names for features on Pluto

10 August 2019 Astronomy Now

The International Astronomical Union has approved a second set of names for features on the surface of Pluto.

Observing

How to find Pluto around the time of its historic encounter with New Horizons

5 July 2015 Ade Ashford

Dwarf planet Pluto will receive its first robotic emissary from Earth in the form of NASA’s New Horizons spacecraft on 14 July. Since this enigmatic world is also at opposition on 6 July, here’s our guide to finding Pluto with large backyard telescopes.

News

Haunting sunset vista shows foggy hazes on Pluto

17 September 2015 Stephen Clark

A crescent Pluto stars in pictures captured just after NASA’s New Horizons spacecraft’s July flyby of the distant dwarf planet, exposing eerie backlit fog banks and glacial flows that scientists say hint at an Earth-like weather cycle.

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News Headlines

  • Dr Allan Chapman (1946-2026)
    26 January 2026
  • Potentially bright ‘sungrazing’ comet discovered
    16 January 2026
  • Thank you from the editor
    17 December 2025
  • Hubble revisits a cosmic yardstick
    25 October 2025
  • Europe’s planet hunting spacecraft complete and ready for final testing
    21 October 2025

© 2019 Pole Star Publications Limited

Astronomy Now