In the realm of science fiction, Dyson spheres and ringworlds have been staples ... the mass of Jupiter—at twice the distance of Earth from the sun. Depending on its density, the shell would ...

Isro confirmed the successful re-entry of the PSLV Orbital Experimental Module (POEM-4) into Earth’s atmosphere, impacting the Indian Ocean on April 4, 2025. Launched as part of the SpaDeX ...

They could hint at the rich volcanic and geologic history of the Red Planet, which is about 4.6 billion years old ... This ...

4) Biosphere: This is the relatively thin layer on the earth in which life can exist. Within it the air, water, rocks and soil and the living creatures, form structural and functional ecological ...

A quartet of small, rocky exoplanets likely circle Barnard's Star, around 6 light-years from Earth, putting them in contention as targets of missions for future human generations.

Small spheres positioned inside Earth's orbit prove impractical ... This would harvest 4% of solar energy (15.6 yottawatts, or 15.6 million billion billion watts) while increasing Earth's ...

No, they’re not Earth 2.0. But they do share something in common with our planet: they’re solid, rocky, and not too far from us compared to the vastness of space Astronomers are pretty excited ...

In a newspaper published in Nature today, colleagues and I reveal secrets of Earth's crust 4.5 billion years ago. In the process, we also provide a new way to approach one of the biggest enduring ...

The safe re-entry of POEM-4 is yet another accomplishment of ISRO’s commitment to contain the growth of space debris, reaffirming the prominent role of the space agency in the long-term ...

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