I/ATLAS has mysteriously shrunk in size, and the latest images of the supposed comet may actually prove it's an ...

Researchers at McGill University and collaborating institutions have mapped the atmospheric features of a planetary-mass ...

The report notes that if Pennsylvania used its full potential for school-based solar panels, our schools could save ...

In addition, our Milky Way is careening at 50 miles per second toward the Great Andromeda galaxy, one of some 50-plus such ...

In 2005, the Cassini spacecraft discovered striking tectonic faults at the south pole known as 'tiger stripes' (bottom right) ...

SIMP 0136 sits about 20 light-years away in the direction of the constellation Pisces. With a mass about 13 times that of Jupiter, it's too small to sustain the nuclear fusion that powers stars, but ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), astronomers have discovered that aging stars in their so-called ...

Richard Fishacre challenged the scientific orthodoxy of his day, and contemporary astrophysics has vindicated his position.

Mars is about to receive a double dose of attention. This weekend, a pair of identical NASA satellites will launch together ...

Is a sun a star or a planet? While science now agrees the sun is a star, new telescopes may soon challenge how we define ...

New satellite data reveals Earth is absorbing more sunlight. The Northern Hemisphere is darkening faster than the Southern ...