NASA’s Nancy Grace Roman Space Telescope is gearing up to unlock the deepest secrets of the universe with three ...

The new spacecraft speedometer can track satellite speeds, addressing the challenges of growing space traffic.

Hubble’s 35-year journey showcases humanity’s boldest space achievements, capturing everything from new stars forming to ancient galaxies. Its discoveries revolutionized our understanding of black ...

NASA hasn't closed the door on the possibility — and the man in line to be the agency's next chief is a champion of the idea.

In the years since, Hubble has gathered more than 1.6 million observations and 430 terabytes of data. The telescope has ...

To mark the 35th anniversary of the Hubble Space Telescope, Space.com looks at some of the most scientifically significant images that have emerged from the observatory's lens.

The planet, roughly the mass of Mercury, orbits its star extremely close, so close that its surface is likely covered in magma evaporating into space. As it orbits its star in just 30.5 hours, the ...

From Lowell Observatory to Kitt Peak to Mount Graham, here are the 11 best planetariums and observatories in Arizona and ...

It's not an actual object, but a warped, mind-bending optical illusion. "The picture features a rare cosmic phenomenon — an Einstein ring. What appears to be a single, strangely shaped galaxy is ...

Electromagnetic waves, whether visible light or radio, could encounter planets, stars, or other cosmic objects that block the waves from reaching our instruments on Earth. Loeb and Fell ...

A One-Dimensional Energy Balance Model Parameterization for the Formation of CO2 Ice on the Surfaces of Eccentric Extrasolar Planets Astrobiology Web 19:55 Thu, 10 Apr The CARMENES Search For ...

But no one has actually spotted Planet 9. It's so far away, it would be a faint object, and the swath of sky that researchers have to search is huge. Sponsor Message Now, though, researchers are ...