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With help from amateur astronomers, scientists tracked how an asteroid traveled from space, broke up in Earth’s atmosphere and sent fiery fragments shooting to the ground, gathering new information about

The collision and merger of two neutron stars—the incredibly dense remnants of collapsed stars—are some of the most energetic events in the universe, producing a variety of signals that can

The universe is a slow-changing place. While it’s mostly true that the heavens and the deep-sky objects in it will look largely the same across an average human lifetime, there

A new class of supermassive black holes embedded in a thick gas shell could explain small red dots in images from the James Webb Space Telescope.

When the ESA launched the Gaia spacecraft in 2013, it didn’t generate the same fanfare as the launch of other missions like the JWST, or first light from telescopes like

A new NASA mission will capture images of Earth’s invisible “halo,” the faint light given off by our planet’s outermost atmospheric layer, the exosphere, as it morphs and changes in

The first model of the European Space Agency’s (ESA) reusable rocket demonstrator Themis is standing at its launch pad in Kiruna, Sweden.

Researchers from the Shanghai Astronomical Observatory (SHAO) of the Chinese Academy of Sciences have revealed for the first time how gas flows from vast distances toward the disk surrounding a

Gamma-ray bursts (GRBs) are the brightest explosions in the universe. In just a few seconds, they can outshine all the stars in their host galaxy combined, releasing more energy than

NASA’s Deep Space Optical Communications technology has successfully shown that data encoded in lasers can be reliably transmitted, received, and decoded after traveling millions of miles from Earth at distances