Star Diary

Astronomer Shyam Balaji reveals how three cosmic signals could be an invisible dark force in deep space.
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Venus is slowly returning to the evening sky, marking the re-emergence of one of the best naked-eye objects. Find out what else is happening with the planets, the Moon, stars constellations and deep-sky objects in April 2026
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Radio astronomer Dr Emma Chapman reveals how radio waves enable scientists to explore the cosmos, from mapping Venus to searching for alien life and discovering the origins of the Universe.
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Find out which planets are best in the night sky in March 2026, plus key times to observe the Moon, stars and constellations.
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The European Space Agency's BepiColombo mission arrives at Mercury later this year. Planetary scientist Emma Bunce reveals the mysteries the mission could uncover.
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