Image: Small object spotted orbiting 67P/Churyumov-Gerasimenko

Last week marked five years since ESA's Rosetta probe arrived at its target, a comet named 67P/Churyumov-Gerasimenko (or 67P/C-G). Tomorrow, 13 August, it will be four years since the comet, escorted by Rosetta, reached its ...

An asteroid just buzzed past Earth, and we barely noticed in time

A 100-metre-wide asteroid passed just 70,000km from Earth on Thursday, Australian time. It was discovered by the Brazilian SONEAR survey just days ago, and its presence was announced mere hours before it zoomed past our planet. ...

Scientists planning now for asteroid flyby a decade away

On April 13, 2029, a speck of light will streak across the sky, getting brighter and faster. At one point it will travel more than the width of the full Moon within a minute and it will get as bright as the stars in the Little ...

And the blobs just keep on coming

When Simone Di Matteo first saw the patterns in his data, it seemed too good to be true. "It's too perfect!" Di Matteo, a space physics Ph.D. student at the University of L'Aquila in Italy, recalled thinking. "It can't be ...

New Horizons team unravels the many mysteries of Ultima Thule

The farthest object ever explored is slowly revealing its secrets, as scientists piece together the puzzles of Ultima Thule – the Kuiper Belt object NASA's New Horizons spacecraft flew past on New Year's Day, four billion ...

New Horizons spacecraft returns its sharpest views of Ultima Thule

The mission team called it a "stretch goal" – just before closest approach, precisely point the cameras on NASA's New Horizons spacecraft to snap the sharpest possible pics of the Kuiper Belt object nicknamed Ultima Thule, ...

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