Astronomy News

May 4, 2020 by Natali Anderson

Astronomers using the Transiting Exoplanet Survey Satellite (TESS) have found four exoplanets — a hot super-Earth and three sub-Neptunes — orbiting the bright, Sun-like star HD 108236. A paper detailing the discovery will be published in the Astrophysical Journal. An artist’s impression of the HD 108236 planetary system. Image credit: Sci-News.com. HD 108236 is a 5.8-billion-year-old main-sequence star of spectral and luminosity type...

May 4, 2020 by Enrico de Lazaro

The NASA/ESA Hubble Space Telescope has produced an outstanding image of a barred spiral galaxy called NGC 3583. This Hubble image shows the barred spiral...

May 1, 2020 by News Staff

A team of astrobiologists from the Carl Sagan Institute at Cornell University has developed a spectral field guide for Earth-like exoplanets transiting...

May 1, 2020 by News Staff

Magnetic activity on the Sun leads to solar flares, coronal mass ejections, and other space weather that affects Earth. Similar activity on other stars...

Apr 30, 2020 by News Staff

Astronomers using the PIONIER (Precision Integrated-Optics Near-infrared Imaging ExpeRiment) instrument on ESO’s Very Large Telescope Interferometer...

Apr 29, 2020 by News Staff

Using the High-Resolution Echelle Spectrometer (HIRES) instrument on the 10-m Keck I telescope at W.M. Keck Observatory, astronomers have discovered a...

Apr 29, 2020 by News Staff

The fine-structure constant is a measure of electromagnetism — one of the four fundamental forces in nature; the others are gravity, weak nuclear...

Apr 29, 2020 by News Staff

New images from the NASA/ESA Hubble Space Telescope of the long-period comet C/2019 Y4 (ATLAS), taken on April 20 and 23, 2020, provide the sharpest views...

Apr 28, 2020 by News Staff

Professor Andrew King from the University of Leicester has shown that periodic X-ray eruptions from a galaxy called GSN 069 could result from the core...

Apr 28, 2020 by Natali Anderson

At least 17 high-inclination Centaurs and two trans-Neptunian objects were captured by the Solar System from the interstellar medium, according to a new...

Apr 27, 2020 by Enrico de Lazaro

Astronomers using the NASA/ESA Hubble Space Telescope have captured a striking new photo of the spiral galaxy NGC 4100. This Hubble image shows a spiral...

Apr 24, 2020 by News Staff

In celebration of the 30th anniversary of the launch of the NASA/ESA Hubble Space Telescope, astronomers used the telescope to take a portrait of the giant...

Apr 24, 2020 by Enrico de Lazaro

Using the NASA/ESA Hubble Space Telescope and several ground-based telescopes, astronomers have been able to watch the long-period comet C/2019 Y4 (ATLAS)...

Apr 22, 2020 by News Staff

In a new study, an international team of astronomers led by ARC Centre of Excellence for All Sky Astrophysics in 3 Dimensions (ASTRO 3D) combined data...

Apr 21, 2020 by News Staff

The directly-imaged massive exoplanet Fomalhaut b is actually a dispersing cloud of dust, produced by a catastrophic collision between two large planetesimals...

Apr 21, 2020 by News Staff

Comets spend most of their lives at large distances from any star, during which time their interior compositions remain relatively unaltered. Cometary...

Apr 20, 2020 by News Staff

Clusters of supernovas can cause the birth of scattered, eccentrically orbiting stars in outer halos of Milky Way-mass galaxies, according to new research...

Apr 20, 2020 by Enrico de Lazaro

Astronomers using the NASA/ESA Hubble Space Telescope have obtained a remarkable view of the dwarf galaxy LEDA 29388. This Hubble image shows the dwarf...

Apr 17, 2020 by News Staff

At the center of the Milky Way lurks Sagittarius A*, a supermassive black hole that is four million times the mass of the Sun. Located 26,000 light-years...

Apr 16, 2020 by Enrico de Lazaro

Astronomers using data from NASA’s Kepler Space Telescope have discovered an Earth-sized planet in the habitable zone of a low-mass star called Kepler-1649. An...