Astronauts Steven Smith and John Grunsfeld, appear as small figures in this wide-angle photograph from December 1999, taken ...

The Nancy Grace Roman Space Telescope, NASA’s upcoming flagship observatory, has passed a crucial vibration test that ...

See composite views of the Cartwheel Galaxy captured by the James Webb Space Telescope. The galaxy is 500 million light years ...

In the 35 years since the Hubble Space Telescope flew to space, it has taken pictures of comets, merging galaxies, planets, supernova remnants, and more. The first-of-its-kind telescope — a ...

Scientists have long puzzled over a discrepancy in how fast the universe is expanding, but new, sharper data from the James ...

For the past decade, scientists have been trying to get to the bottom of what seemed like a major inconsistency in the ...

NGC 685, a smaller cousin of our Milky Way, dazzles with youthful energy as newborn stars light up its spiral arms.

Based on 20 years of observations by NASA’s Hubble Space Telescope, new research sheds light on one of the solar system’s ...

Europe compares favourably with the US on the level of space science it delivers, and Esa has sometimes “gone boldly” where ...

This year marks the 50th anniversary of the founding of the European Space Agency (Esa). It has launched spectacularly ...

The CZ-3B/E Y110 flew on an eastbound path and launched Tianwen-2 on an Earth escape trajectory. Tianwen-2 will orbit ...