A respected Harvard astrophysicist believes one of the most famous signals ever sent to Earth could have been sent by the ...

In the 17th century, astronomers Christiaan Huygens and Giovanni Cassini trained their telescopes on Saturn and uncovered a ...

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On Sept. 30, 2016, the European Space Agency's Rosetta spacecraft purposely crashed into a comet. Rosetta launched in 2004 ...

The striking thing about this is that repeating the procedure on the star turned up no evidence of carbon-based chemicals, ...

What type of lander could touch down on Jupiter's volcanic moon, Io? This is what a recent paper presented at the AIAA 2025 Regional Student Conference hopes to address as a team of student engineers ...

Harvard researcher Avi Loeb says comet 3I/ATLAS weighs 33 billion tons and spans 3.1 miles, making it far larger than ...

The bottom line is that the fact that fire is so tightly bound to Earth is a reminder of how special our planet is. Every ...

Scientists believe life may exist in Enceladus' subsurface ocean. Now, a new ESA mission will send spacecraft to the moon to ...

Voyager 1 will become the first human-made object to reach one light-day from Earth on November 15, 2026—nearly 50 years ...

The Sun’s poles may hold answers to long-standing mysteries about magnetic cycles, solar wind, and space weather. The polar ...

Asteroid ‘Families’ Reveal Hidden Histories and Impact Risks across the Solar System ...