The Artemis II astronauts reunited with their capsule Wednesday three months after flying around the moon and traveling deeper into space than anyone in history.
Space Exploration
Jul 9, 2026
0
18
Imagine a piece of space debris the size of a hockey puck slams into a Starlink satellite at about 10 kilometers per second. The kinetic energy is equivalent to 2 kilograms of TNT, or a fully loaded semitruck traveling at ...
Planetary Sciences
Jul 1, 2026
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43
Seventy years ago, Earth had only one satellite: the moon. Now it has more than 15,000—about 10,000 of which are owned by Elon Musk's SpaceX. The world's first trillionaire plans to launch 1 million more satellites, each ...
Planetary Sciences
Jul 1, 2026
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28
NASA is set to launch a daring robotic rescue mission, a long-shot bid to prevent one of its aging telescopes from vanishing into dust.
Space Exploration
Jun 30, 2026
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27
The Gaia mission has allowed researchers to understand the motions of stars like never before, even revealing possible interactions between our solar system and nearby stars. Planetary Science Institute Senior Scientist Nathan ...
Astronomy
Jun 25, 2026
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47
The European-Chinese Smile mission reached its designated science orbit on June 20, 2026. The team is now embarking on a two-month campaign to commission the spacecraft, which involves switching on and testing its toolbox ...
Space Exploration
Jun 25, 2026
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17
A large asteroid that will zoom harmlessly past Earth on Saturday will be visible to stargazers using a small telescope or large binoculars, the European Space Agency announced Wednesday.
Planetary Sciences
Jun 24, 2026
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830
We think of atomic clocks as the definitive timekeepers. They are famous for being accurate down to the picosecond. Unfortunately, they are still subject to general relativity, so if you put them on a different planet, they ...
Space Exploration
Jun 16, 2026
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42
Binary asteroid systems are widespread throughout our inner solar system. For decades, the standard paradigm held that many of them form when a rapidly spinning primary asteroid casts off material, which then reaccumulates ...
NASA on Tuesday revealed the crew for its Artemis III mission, the next step in the space agency's plan to eventually land astronauts on the moon.
Space Exploration
Jun 9, 2026
0
19
