When we think of a day, we usually imagine 24 hours. But did you know that not all planets have days that last 24 hours? In ...
The new selection of NASA astronauts will spend two years in training before becoming eligible for flight assignments.
22don MSN
The moon is getting slightly farther away from the Earth each year — a physicist explains why
Scientists measure the distance to the Moon by bouncing lasers off mirrors placed there by space probes and astronauts.
ALMA captures surprising activity in comet C/2014 UN271, Bernardinelli-Bernstein comet, the largest ever detected.
Space Week Ireland 2025 is running from 4 to 10 October with entertaining and educational events for a wide group of audiences.
A rare interstellar visitor has entered our Solar System, and it’s behaving in ways that have astronomers both fascinated and ...
The Daily Galaxy on MSN
In 4 Years’ Time, 2 Billion People Will Witness a Sky Event That Only Happens Once Every 7,500 Years
On 13 April 2029, something extraordinary will unfold in the skies above Earth. An asteroid named 99942 Apophis — roughly the ...
A new study has attempted to pin down the properties of interstellar comet 3I/Atlas, finding it is "anomalously massive" at around 33 billion tons. On July 1, 2025, astronomers spotted an object ...
A natural satellite is simply a celestial object that orbits a planet or a smaller body. Unlike the ones we build and send up ...
As scientists get closer to putting humans on Mars, the need to understand why clocks tick faster on the red planet is more ...
O ver the last week, the European Space Agency’s (ESA) spacecraft Mars Express and ExoMars Trace Gas Orbiter (TGO) were ...
The interstellar comet 3I/ATLAS may be out of view of Earth, but orbiters on Mars were able to recently get a look at it.
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