Most of the ordinary matter in the universe is hydrogen. But surprisingly, less than 20% of this hydrogen sits inside ...

NASA’s Goddard Space Flight Center (GSFC) — the country’s largest organization of Earth and space scientists, engineers, and ...

New research shows hidden Venus asteroids could unleash city-sized impacts. Learn why they’re so hard to spot and how telescopes might find them.

The rate of finding these distant worlds has recently increased, with astronomers scrambling to accommodate the data ...

When night falls in the Atacama Desert in northern Chile, brilliant constellations shine down on the dry plains.

China has launched the construction of a new large astronomical observation project, a 15-meter submillimeter telescope, in ...

The known universe is full of shockingly huge things. Here are the largest planets, stars, galaxies, and structures we've ...

Astronomers are trying to determine what caused a series of gamma-ray bursts, the most powerful explosions in the universe, to occur in a single day.

Using the world’s largest digital camera, Rubin will capture a full view of the southern sky every three days.

X, an advanced adaptive optics system on the 6.5-meter Magellan Telescope in Chile. The instrument detects hydrogen-alpha (Hα ...

Located 12.8 billion light-years away, the black hole, called RACS J0320-35, weighs about a billion times the mass of our sun ...

Hayabusa2 visited the 900-metre asteroid Ryugu in 2018, returning samples to Earth in 2020. The spacecraft is now on an ...