By 2030, the iconic ISS – where the world's astronauts have lived, worked and gazed upon the cosmos for more than two decades ...

The ISS has cost an estimated $150 billion to build and operate, with NASA spending around $3 billion annually to keep it ...

The NG-18 Cygnus spacecraft departed the International Space Station and burned up in Earth's atmosphere the following day.

When the International Space Station plunges to its fiery doom in 2030 its loss to science will be incalculable, even if it ...

The spacecraft in question was the Shenzhou-20 capsule, which transported a crew of three astronauts to the Tiangong space ...

Mars is a cold, dry, desert-like planet. But billions of years ago, scientific evidence suggests that it had a thick ...

Space is no longer the final frontier it once seemed. Today, our planet's orbit resembles a cosmic junkyard where millions of ...

NASA's NICER telescope halts its mission after a key motor fails; engineers attempt to salvage eight years of space science.