Cosmology

Astronomers say it's the first direct imaging of the long-sought gas filaments stretching between galaxies

One of the nearest stellar explosions since 1987 could become visible in two weeks to skywatchers using binoculars

The European Space Agency's probe was successfully awoken from hibernation Monday and will begin preparations  to explore a comet

Astronomers have measured a distance scale in the universe to unprecedented accuracy, opening the door to better tests of dark energy models than ever before

The sun's gravitational pull on dark matter particles may cause seasonal patterns not previously expected

As observations fail to pin down the so-far undetectable stuff, explanations once considered fringe are now getting another look

Moons orbiting distant planets might be visible in existing spacecraft data

The ancient cosmology could explain the apparent motion of the planets using just their movements around circles

NASA's long-term vision, released by the agency's astrophysics division, restates its broad and popular themes for scientists to pursue including "Are We Alone?" and "How Did We Get Here?"

A new video simulation helps viewers experience the moments when the image was captured and what it was like inside the spacecraft at the time

The existence of the Higgs boson particle was confirmed, a strong case for human-caused climate change was released and scientists analyzed the oldest-known human DNA

A 10-dimensional theory of gravity makes the same predictions as standard quantum physics in fewer dimensions