Before departure, the first inhabitants would train in Antarctica for decades to adapt to isolation. The 58-kilometre-long vessel would rotate to maintain gravity.

Engineers have conceptualized Chrysalis, a rotating spacecraft designed for interstellar travel to Alpha Centauri. This ...

With the mysterious object 3I/Atlas hurtling towards Earth, fears of an alien invasion resurface, reigniting the extraordinary tales of Betty and Barney Hill, who believed they were abducted by aliens ...