Swarms of satellites are harming astronomy. Here’s how researchers are fighting back Astronomers are raising their voice in this debate. Researchers pointing their telescopes at stars and ...

A “city killer” asteroid experts feared was on a crash course with Earth is now expected to miss the planet — but it still ...

In anticipation of the upcoming 35th anniversary of the NASA/ESA Hubble Space Telescope, ESA/Hubble is kicking off the ...

Satellites come in all shapes and sizes, but there aren't any that look quite like SPHEREx, an infrared observatory NASA ...

The three satellites, designated Kosmos 2581, 2582 and 2583, launched on a Soyuz-2.1V rocket from Plesetsk cosmodrome early ...

Starlink satellites leave streaks in a 2019 image taken by a 4-meter telescope at the Cerro Tololo Inter-American Observatory in Chile. Tools such as SatChecker help telescope operators to avoid ...

The SPHEREx telescope will create the most colorful map of the cosmos, while the four satellites of the PUNCH mission track the evolution of the solar wind in three dimensions. transcript A SpaceX ...

A case in point: a European Space Agency satellite, known as ERS-2, launched in 1995 and inactive since 2011, tumbled through ...

Though still only in the prototype stage, this flat lens could one day be used on space telescopes, and perhaps even on amateur telescopes. Engineers and astronomers at the University of Utah have ...

After 11 years mapping the Milky Way, the European Space Agency's Gaia space telescope has retired. Scientists hailed it as ...

Besides the telescope, SpaceX’s Falcon rocket provided a lift from Vandenberg Space Force Base for a quartet of NASA satellites called Punch. From their own separate polar orbit, the satellites ...

A huge asteroid that was briefly feared to strike Earth now has a nearly 4% chance of smashing into the moon, according to ...